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Finding the Fourth Proportional to 181,411.68, 272,017.68 and 67,501.92

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Solution

The fourth proportional to 181,411.68, 272,017.68 and 67,501.92 is: 101,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,411.68 : 272,017.68 = 67,501.92 : x
  2. Step 2: Convert to fraction form
    181,411.68/272,017.68 = 67,501.92/x
  3. Step 3: Cross multiply
    181,411.68x = 272,017.68 × 67,501.92
  4. Step 4: Simplify right side
    181,411.68x = 18,361,715,673.95
  5. Step 5: Solve for x
    x = 18,361,715,673.95/181,411.68
  6. Step 6: Final answer
    x = 101,215.73

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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.