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Finding the Fourth Proportional to 91,082.64, 125,651.14 and 59,239.92

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Solution

The fourth proportional to 91,082.64, 125,651.14 and 59,239.92 is: 81,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,082.64 : 125,651.14 = 59,239.92 : x
  2. Step 2: Convert to fraction form
    91,082.64/125,651.14 = 59,239.92/x
  3. Step 3: Cross multiply
    91,082.64x = 125,651.14 × 59,239.92
  4. Step 4: Simplify right side
    91,082.64x = 7,443,563,481.51
  5. Step 5: Solve for x
    x = 7,443,563,481.51/91,082.64
  6. Step 6: Final answer
    x = 81,723.19

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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.