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Finding the Fourth Proportional to 89,668.80, 134,500.32 and 37,062.72

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Solution

The fourth proportional to 89,668.80, 134,500.32 and 37,062.72 is: 55,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,668.80 : 134,500.32 = 37,062.72 : x
  2. Step 2: Convert to fraction form
    89,668.80/134,500.32 = 37,062.72/x
  3. Step 3: Cross multiply
    89,668.80x = 134,500.32 × 37,062.72
  4. Step 4: Simplify right side
    89,668.80x = 4,984,947,700.07
  5. Step 5: Solve for x
    x = 4,984,947,700.07/89,668.80
  6. Step 6: Final answer
    x = 55,592.89

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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.