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Finding the Fourth Proportional to 181,572.30, 272,358.45 and 92,796.30

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Solution

The fourth proportional to 181,572.30, 272,358.45 and 92,796.30 is: 139,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,572.30 : 272,358.45 = 92,796.30 : x
  2. Step 2: Convert to fraction form
    181,572.30/272,358.45 = 92,796.30/x
  3. Step 3: Cross multiply
    181,572.30x = 272,358.45 × 92,796.30
  4. Step 4: Simplify right side
    181,572.30x = 25,273,856,433.74
  5. Step 5: Solve for x
    x = 25,273,856,433.74/181,572.30
  6. Step 6: Final answer
    x = 139,194.45

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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.