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Finding the Fourth Proportional to 92,532.76, 138,141.80 and 89,252.26

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Solution

The fourth proportional to 92,532.76, 138,141.80 and 89,252.26 is: 133,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,532.76 : 138,141.80 = 89,252.26 : x
  2. Step 2: Convert to fraction form
    92,532.76/138,141.80 = 89,252.26/x
  3. Step 3: Cross multiply
    92,532.76x = 138,141.80 × 89,252.26
  4. Step 4: Simplify right side
    92,532.76x = 12,329,467,850.47
  5. Step 5: Solve for x
    x = 12,329,467,850.47/92,532.76
  6. Step 6: Final answer
    x = 133,244.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.