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Finding the Fourth Proportional to 96,737.28, 144,774.72 and 67,188.48

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Solution

The fourth proportional to 96,737.28, 144,774.72 and 67,188.48 is: 100,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,737.28 : 144,774.72 = 67,188.48 : x
  2. Step 2: Convert to fraction form
    96,737.28/144,774.72 = 67,188.48/x
  3. Step 3: Cross multiply
    96,737.28x = 144,774.72 × 67,188.48
  4. Step 4: Simplify right side
    96,737.28x = 9,727,193,379.23
  5. Step 5: Solve for x
    x = 9,727,193,379.23/96,737.28
  6. Step 6: Final answer
    x = 100,552.69

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1.5x scale

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.