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Finding the Fourth Proportional to 181,498.80, 272,248.20 and 92,722.80

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Solution

The fourth proportional to 181,498.80, 272,248.20 and 92,722.80 is: 139,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,498.80 : 272,248.20 = 92,722.80 : x
  2. Step 2: Convert to fraction form
    181,498.80/272,248.20 = 92,722.80/x
  3. Step 3: Cross multiply
    181,498.80x = 272,248.20 × 92,722.80
  4. Step 4: Simplify right side
    181,498.80x = 25,243,615,398.96
  5. Step 5: Solve for x
    x = 25,243,615,398.96/181,498.80
  6. Step 6: Final answer
    x = 139,084.20

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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.