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Finding the Fourth Proportional to 262,176.60, 393,264.90 and 104,518.20

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Solution

The fourth proportional to 262,176.60, 393,264.90 and 104,518.20 is: 156,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,176.60 : 393,264.90 = 104,518.20 : x
  2. Step 2: Convert to fraction form
    262,176.60/393,264.90 = 104,518.20/x
  3. Step 3: Cross multiply
    262,176.60x = 393,264.90 × 104,518.20
  4. Step 4: Simplify right side
    262,176.60x = 41,103,339,471.18
  5. Step 5: Solve for x
    x = 41,103,339,471.18/262,176.60
  6. Step 6: Final answer
    x = 156,777.30

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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.