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Finding the Fourth Proportional to 67,866.17, 101,851.19 and 48,881.66

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Solution

The fourth proportional to 67,866.17, 101,851.19 and 48,881.66 is: 73,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,866.17 : 101,851.19 = 48,881.66 : x
  2. Step 2: Convert to fraction form
    67,866.17/101,851.19 = 48,881.66/x
  3. Step 3: Cross multiply
    67,866.17x = 101,851.19 × 48,881.66
  4. Step 4: Simplify right side
    67,866.17x = 4,978,654,486.51
  5. Step 5: Solve for x
    x = 4,978,654,486.51/67,866.17
  6. Step 6: Final answer
    x = 73,359.89

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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.