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Finding the Fourth Proportional to 181,497.20, 272,246.09 and 70,689.20

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Solution

The fourth proportional to 181,497.20, 272,246.09 and 70,689.20 is: 106,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,497.20 : 272,246.09 = 70,689.20 : x
  2. Step 2: Convert to fraction form
    181,497.20/272,246.09 = 70,689.20/x
  3. Step 3: Cross multiply
    181,497.20x = 272,246.09 × 70,689.20
  4. Step 4: Simplify right side
    181,497.20x = 19,244,856,590.55
  5. Step 5: Solve for x
    x = 19,244,856,590.55/181,497.20
  6. Step 6: Final answer
    x = 106,033.91

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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.