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Finding the Fourth Proportional to 239,416,100.80, 359,124,151.20 and 239,416,100.80

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Solution

The fourth proportional to 239,416,100.80, 359,124,151.20 and 239,416,100.80 is: 359,124,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,416,100.80 : 359,124,151.20 = 239,416,100.80 : x
  2. Step 2: Convert to fraction form
    239,416,100.80/359,124,151.20 = 239,416,100.80/x
  3. Step 3: Cross multiply
    239,416,100.80x = 359,124,151.20 × 239,416,100.80
  4. Step 4: Simplify right side
    239,416,100.80x = 85,980,103,983,413,648
  5. Step 5: Solve for x
    x = 85,980,103,983,413,648/239,416,100.80
  6. Step 6: Final answer
    x = 359,124,151.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.