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Finding the Fourth Proportional to 69,332.40, 103,998.60 and 34,264.80

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Solution

The fourth proportional to 69,332.40, 103,998.60 and 34,264.80 is: 51,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.40 : 103,998.60 = 34,264.80 : x
  2. Step 2: Convert to fraction form
    69,332.40/103,998.60 = 34,264.80/x
  3. Step 3: Cross multiply
    69,332.40x = 103,998.60 × 34,264.80
  4. Step 4: Simplify right side
    69,332.40x = 3,563,491,229.28
  5. Step 5: Solve for x
    x = 3,563,491,229.28/69,332.40
  6. Step 6: Final answer
    x = 51,397.20

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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.