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Finding the Fourth Proportional to 181,951.10, 272,829.45 and 76,651.10

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Solution

The fourth proportional to 181,951.10, 272,829.45 and 76,651.10 is: 114,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,951.10 : 272,829.45 = 76,651.10 : x
  2. Step 2: Convert to fraction form
    181,951.10/272,829.45 = 76,651.10/x
  3. Step 3: Cross multiply
    181,951.10x = 272,829.45 × 76,651.10
  4. Step 4: Simplify right side
    181,951.10x = 20,912,677,454.90
  5. Step 5: Solve for x
    x = 20,912,677,454.90/181,951.10
  6. Step 6: Final answer
    x = 114,935.70

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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.