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Finding the Fourth Proportional to 92,441.52, 138,683.03 and 29,265.42

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Solution

The fourth proportional to 92,441.52, 138,683.03 and 29,265.42 is: 43,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,441.52 : 138,683.03 = 29,265.42 : x
  2. Step 2: Convert to fraction form
    92,441.52/138,683.03 = 29,265.42/x
  3. Step 3: Cross multiply
    92,441.52x = 138,683.03 × 29,265.42
  4. Step 4: Simplify right side
    92,441.52x = 4,058,616,973.50
  5. Step 5: Solve for x
    x = 4,058,616,973.50/92,441.52
  6. Step 6: Final answer
    x = 43,904.70

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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.