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Finding the Fourth Proportional to 99,034.92, 136,623.96 and 58,750.38

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Solution

The fourth proportional to 99,034.92, 136,623.96 and 58,750.38 is: 81,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,034.92 : 136,623.96 = 58,750.38 : x
  2. Step 2: Convert to fraction form
    99,034.92/136,623.96 = 58,750.38/x
  3. Step 3: Cross multiply
    99,034.92x = 136,623.96 × 58,750.38
  4. Step 4: Simplify right side
    99,034.92x = 8,026,709,567.10
  5. Step 5: Solve for x
    x = 8,026,709,567.10/99,034.92
  6. Step 6: Final answer
    x = 81,049.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.