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Finding the Fourth Proportional to 59,404.40, 89,009.40 and 50,656.40

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Solution

The fourth proportional to 59,404.40, 89,009.40 and 50,656.40 is: 75,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,404.40 : 89,009.40 = 50,656.40 : x
  2. Step 2: Convert to fraction form
    59,404.40/89,009.40 = 50,656.40/x
  3. Step 3: Cross multiply
    59,404.40x = 89,009.40 × 50,656.40
  4. Step 4: Simplify right side
    59,404.40x = 4,508,895,770.16
  5. Step 5: Solve for x
    x = 4,508,895,770.16/59,404.40
  6. Step 6: Final answer
    x = 75,901.71

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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.