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Finding the Fourth Proportional to 181,624.68, 250,635.74 and 99,945.30

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Solution

The fourth proportional to 181,624.68, 250,635.74 and 99,945.30 is: 137,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,624.68 : 250,635.74 = 99,945.30 : x
  2. Step 2: Convert to fraction form
    181,624.68/250,635.74 = 99,945.30/x
  3. Step 3: Cross multiply
    181,624.68x = 250,635.74 × 99,945.30
  4. Step 4: Simplify right side
    181,624.68x = 25,049,864,225.02
  5. Step 5: Solve for x
    x = 25,049,864,225.02/181,624.68
  6. Step 6: Final answer
    x = 137,921.04

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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.