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Finding the Fourth Proportional to 181,264.40, 271,482.42 and 86,560.92

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Solution

The fourth proportional to 181,264.40, 271,482.42 and 86,560.92 is: 129,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,264.40 : 271,482.42 = 86,560.92 : x
  2. Step 2: Convert to fraction form
    181,264.40/271,482.42 = 86,560.92/x
  3. Step 3: Cross multiply
    181,264.40x = 271,482.42 × 86,560.92
  4. Step 4: Simplify right side
    181,264.40x = 23,499,768,039.03
  5. Step 5: Solve for x
    x = 23,499,768,039.03/181,264.40
  6. Step 6: Final answer
    x = 129,643.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.