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Finding the Fourth Proportional to 92,573.96, 138,865.80 and 29,399.12

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Solution

The fourth proportional to 92,573.96, 138,865.80 and 29,399.12 is: 44,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,573.96 : 138,865.80 = 29,399.12 : x
  2. Step 2: Convert to fraction form
    92,573.96/138,865.80 = 29,399.12/x
  3. Step 3: Cross multiply
    92,573.96x = 138,865.80 × 29,399.12
  4. Step 4: Simplify right side
    92,573.96x = 4,082,532,318.10
  5. Step 5: Solve for x
    x = 4,082,532,318.10/92,573.96
  6. Step 6: Final answer
    x = 44,100.22

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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.