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Finding the Fourth Proportional to 181,877.01, 272,815.53 and 55,517.95

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Solution

The fourth proportional to 181,877.01, 272,815.53 and 55,517.95 is: 83,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,877.01 : 272,815.53 = 55,517.95 : x
  2. Step 2: Convert to fraction form
    181,877.01/272,815.53 = 55,517.95/x
  3. Step 3: Cross multiply
    181,877.01x = 272,815.53 × 55,517.95
  4. Step 4: Simplify right side
    181,877.01x = 15,146,158,953.76
  5. Step 5: Solve for x
    x = 15,146,158,953.76/181,877.01
  6. Step 6: Final answer
    x = 83,276.93

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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.