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Finding the Fourth Proportional to 92,573.89, 138,865.79 and 29,398.95

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Solution

The fourth proportional to 92,573.89, 138,865.79 and 29,398.95 is: 44,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,573.89 : 138,865.79 = 29,398.95 : x
  2. Step 2: Convert to fraction form
    92,573.89/138,865.79 = 29,398.95/x
  3. Step 3: Cross multiply
    92,573.89x = 138,865.79 × 29,398.95
  4. Step 4: Simplify right side
    92,573.89x = 4,082,508,490.42
  5. Step 5: Solve for x
    x = 4,082,508,490.42/92,573.89
  6. Step 6: Final answer
    x = 44,100.00

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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.