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Finding the Fourth Proportional to 59,622.40, 88,998.40 and 51,251.20

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Solution

The fourth proportional to 59,622.40, 88,998.40 and 51,251.20 is: 76,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,622.40 : 88,998.40 = 51,251.20 : x
  2. Step 2: Convert to fraction form
    59,622.40/88,998.40 = 51,251.20/x
  3. Step 3: Cross multiply
    59,622.40x = 88,998.40 × 51,251.20
  4. Step 4: Simplify right side
    59,622.40x = 4,561,274,798.08
  5. Step 5: Solve for x
    x = 4,561,274,798.08/59,622.40
  6. Step 6: Final answer
    x = 76,502.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.