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Finding the Fourth Proportional to 92,101.62, 138,152.43 and 60,929.58

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Solution

The fourth proportional to 92,101.62, 138,152.43 and 60,929.58 is: 91,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,101.62 : 138,152.43 = 60,929.58 : x
  2. Step 2: Convert to fraction form
    92,101.62/138,152.43 = 60,929.58/x
  3. Step 3: Cross multiply
    92,101.62x = 138,152.43 × 60,929.58
  4. Step 4: Simplify right side
    92,101.62x = 8,417,569,535.88
  5. Step 5: Solve for x
    x = 8,417,569,535.88/92,101.62
  6. Step 6: Final answer
    x = 91,394.37

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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.