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Finding the Fourth Proportional to 96,656.32, 144,903.84 and 67,132

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Solution

The fourth proportional to 96,656.32, 144,903.84 and 67,132 is: 100,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,656.32 : 144,903.84 = 67,132 : x
  2. Step 2: Convert to fraction form
    96,656.32/144,903.84 = 67,132/x
  3. Step 3: Cross multiply
    96,656.32x = 144,903.84 × 67,132
  4. Step 4: Simplify right side
    96,656.32x = 9,727,684,586.88
  5. Step 5: Solve for x
    x = 9,727,684,586.88/96,656.32
  6. Step 6: Final answer
    x = 100,641.99

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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.