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Finding the Fourth Proportional to 101,058.53, 151,502.73 and 67,677.62

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Solution

The fourth proportional to 101,058.53, 151,502.73 and 67,677.62 is: 101,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,058.53 : 151,502.73 = 67,677.62 : x
  2. Step 2: Convert to fraction form
    101,058.53/151,502.73 = 67,677.62/x
  3. Step 3: Cross multiply
    101,058.53x = 151,502.73 × 67,677.62
  4. Step 4: Simplify right side
    101,058.53x = 10,253,343,432.39
  5. Step 5: Solve for x
    x = 10,253,343,432.39/101,058.53
  6. Step 6: Final answer
    x = 101,459.46

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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.