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Finding the Fourth Proportional to 91,707.52, 137,515.92 and 32,534.32

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Solution

The fourth proportional to 91,707.52, 137,515.92 and 32,534.32 is: 48,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,707.52 : 137,515.92 = 32,534.32 : x
  2. Step 2: Convert to fraction form
    91,707.52/137,515.92 = 32,534.32/x
  3. Step 3: Cross multiply
    91,707.52x = 137,515.92 × 32,534.32
  4. Step 4: Simplify right side
    91,707.52x = 4,473,986,946.37
  5. Step 5: Solve for x
    x = 4,473,986,946.37/91,707.52
  6. Step 6: Final answer
    x = 48,785.39

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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.