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Finding the Fourth Proportional to 67,871.78, 93,666.75 and 44,018.90

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Solution

The fourth proportional to 67,871.78, 93,666.75 and 44,018.90 is: 60,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.78 : 93,666.75 = 44,018.90 : x
  2. Step 2: Convert to fraction form
    67,871.78/93,666.75 = 44,018.90/x
  3. Step 3: Cross multiply
    67,871.78x = 93,666.75 × 44,018.90
  4. Step 4: Simplify right side
    67,871.78x = 4,123,107,301.58
  5. Step 5: Solve for x
    x = 4,123,107,301.58/67,871.78
  6. Step 6: Final answer
    x = 60,748.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.