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Finding the Fourth Proportional to 92,403.56, 138,622.42 and 29,239.58

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Solution

The fourth proportional to 92,403.56, 138,622.42 and 29,239.58 is: 43,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,403.56 : 138,622.42 = 29,239.58 : x
  2. Step 2: Convert to fraction form
    92,403.56/138,622.42 = 29,239.58/x
  3. Step 3: Cross multiply
    92,403.56x = 138,622.42 × 29,239.58
  4. Step 4: Simplify right side
    92,403.56x = 4,053,261,339.38
  5. Step 5: Solve for x
    x = 4,053,261,339.38/92,403.56
  6. Step 6: Final answer
    x = 43,864.77

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1.5x scale

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.