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Finding the Fourth Proportional to 59,700.30, 89,609.13 and 45,528.54

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Solution

The fourth proportional to 59,700.30, 89,609.13 and 45,528.54 is: 68,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,700.30 : 89,609.13 = 45,528.54 : x
  2. Step 2: Convert to fraction form
    59,700.30/89,609.13 = 45,528.54/x
  3. Step 3: Cross multiply
    59,700.30x = 89,609.13 × 45,528.54
  4. Step 4: Simplify right side
    59,700.30x = 4,079,772,859.57
  5. Step 5: Solve for x
    x = 4,079,772,859.57/59,700.30
  6. Step 6: Final answer
    x = 68,337.56

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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.