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Finding the Fourth Proportional to 62,809.60, 94,041.60 and 59,699.20

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Solution

The fourth proportional to 62,809.60, 94,041.60 and 59,699.20 is: 89,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,809.60 : 94,041.60 = 59,699.20 : x
  2. Step 2: Convert to fraction form
    62,809.60/94,041.60 = 59,699.20/x
  3. Step 3: Cross multiply
    62,809.60x = 94,041.60 × 59,699.20
  4. Step 4: Simplify right side
    62,809.60x = 5,614,208,286.72
  5. Step 5: Solve for x
    x = 5,614,208,286.72/62,809.60
  6. Step 6: Final answer
    x = 89,384.56

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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.