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Finding the Fourth Proportional to 152,449.20, 228,673.80 and 102,682.80

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Solution

The fourth proportional to 152,449.20, 228,673.80 and 102,682.80 is: 154,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,449.20 : 228,673.80 = 102,682.80 : x
  2. Step 2: Convert to fraction form
    152,449.20/228,673.80 = 102,682.80/x
  3. Step 3: Cross multiply
    152,449.20x = 228,673.80 × 102,682.80
  4. Step 4: Simplify right side
    152,449.20x = 23,480,866,070.64
  5. Step 5: Solve for x
    x = 23,480,866,070.64/152,449.20
  6. Step 6: Final answer
    x = 154,024.20

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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.