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Finding the Fourth Proportional to 92,530.68, 138,801.46 and 29,349.60

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Solution

The fourth proportional to 92,530.68, 138,801.46 and 29,349.60 is: 44,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,530.68 : 138,801.46 = 29,349.60 : x
  2. Step 2: Convert to fraction form
    92,530.68/138,801.46 = 29,349.60/x
  3. Step 3: Cross multiply
    92,530.68x = 138,801.46 × 29,349.60
  4. Step 4: Simplify right side
    92,530.68x = 4,073,767,330.42
  5. Step 5: Solve for x
    x = 4,073,767,330.42/92,530.68
  6. Step 6: Final answer
    x = 44,026.13

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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.