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Finding the Fourth Proportional to 101,565.40, 140,126.32 and 59,114.92

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Solution

The fourth proportional to 101,565.40, 140,126.32 and 59,114.92 is: 81,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,565.40 : 140,126.32 = 59,114.92 : x
  2. Step 2: Convert to fraction form
    101,565.40/140,126.32 = 59,114.92/x
  3. Step 3: Cross multiply
    101,565.40x = 140,126.32 × 59,114.92
  4. Step 4: Simplify right side
    101,565.40x = 8,283,556,196.69
  5. Step 5: Solve for x
    x = 8,283,556,196.69/101,565.40
  6. Step 6: Final answer
    x = 81,558.84

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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.