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Finding the Fourth Proportional to 101,032.83, 139,473.13 and 58,575.87

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Solution

The fourth proportional to 101,032.83, 139,473.13 and 58,575.87 is: 80,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,032.83 : 139,473.13 = 58,575.87 : x
  2. Step 2: Convert to fraction form
    101,032.83/139,473.13 = 58,575.87/x
  3. Step 3: Cross multiply
    101,032.83x = 139,473.13 × 58,575.87
  4. Step 4: Simplify right side
    101,032.83x = 8,169,760,426.50
  5. Step 5: Solve for x
    x = 8,169,760,426.50/101,032.83
  6. Step 6: Final answer
    x = 80,862.43

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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.