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Finding the Fourth Proportional to 123,892.92, 170,986.68 and 73,591.92

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Solution

The fourth proportional to 123,892.92, 170,986.68 and 73,591.92 is: 101,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,892.92 : 170,986.68 = 73,591.92 : x
  2. Step 2: Convert to fraction form
    123,892.92/170,986.68 = 73,591.92/x
  3. Step 3: Cross multiply
    123,892.92x = 170,986.68 × 73,591.92
  4. Step 4: Simplify right side
    123,892.92x = 12,583,238,075.63
  5. Step 5: Solve for x
    x = 12,583,238,075.63/123,892.92
  6. Step 6: Final answer
    x = 101,565.43

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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.