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Finding the Fourth Proportional to 59,934.60, 89,999.10 and 40,300.20

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Solution

The fourth proportional to 59,934.60, 89,999.10 and 40,300.20 is: 60,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,934.60 : 89,999.10 = 40,300.20 : x
  2. Step 2: Convert to fraction form
    59,934.60/89,999.10 = 40,300.20/x
  3. Step 3: Cross multiply
    59,934.60x = 89,999.10 × 40,300.20
  4. Step 4: Simplify right side
    59,934.60x = 3,626,981,729.82
  5. Step 5: Solve for x
    x = 3,626,981,729.82/59,934.60
  6. Step 6: Final answer
    x = 60,515.66

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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.