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Finding the Fourth Proportional to 67,920.16, 101,747.70 and 44,475.52

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Solution

The fourth proportional to 67,920.16, 101,747.70 and 44,475.52 is: 66,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,920.16 : 101,747.70 = 44,475.52 : x
  2. Step 2: Convert to fraction form
    67,920.16/101,747.70 = 44,475.52/x
  3. Step 3: Cross multiply
    67,920.16x = 101,747.70 × 44,475.52
  4. Step 4: Simplify right side
    67,920.16x = 4,525,281,254.37
  5. Step 5: Solve for x
    x = 4,525,281,254.37/67,920.16
  6. Step 6: Final answer
    x = 66,626.49

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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.