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Finding the Fourth Proportional to 181,611, 272,417.85 and 63,282.15

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Solution

The fourth proportional to 181,611, 272,417.85 and 63,282.15 is: 94,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,611 : 272,417.85 = 63,282.15 : x
  2. Step 2: Convert to fraction form
    181,611/272,417.85 = 63,282.15/x
  3. Step 3: Cross multiply
    181,611x = 272,417.85 × 63,282.15
  4. Step 4: Simplify right side
    181,611x = 17,239,187,246.38
  5. Step 5: Solve for x
    x = 17,239,187,246.38/181,611
  6. Step 6: Final answer
    x = 94,923.70

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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.