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Finding the Fourth Proportional to 67,403.12, 101,104.60 and 29,954.48

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Solution

The fourth proportional to 67,403.12, 101,104.60 and 29,954.48 is: 44,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,403.12 : 101,104.60 = 29,954.48 : x
  2. Step 2: Convert to fraction form
    67,403.12/101,104.60 = 29,954.48/x
  3. Step 3: Cross multiply
    67,403.12x = 101,104.60 × 29,954.48
  4. Step 4: Simplify right side
    67,403.12x = 3,028,535,718.61
  5. Step 5: Solve for x
    x = 3,028,535,718.61/67,403.12
  6. Step 6: Final answer
    x = 44,931.68

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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.