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Finding the Fourth Proportional to 122,329.58, 168,816.24 and 67,882.87

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Solution

The fourth proportional to 122,329.58, 168,816.24 and 67,882.87 is: 93,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,329.58 : 168,816.24 = 67,882.87 : x
  2. Step 2: Convert to fraction form
    122,329.58/168,816.24 = 67,882.87/x
  3. Step 3: Cross multiply
    122,329.58x = 168,816.24 × 67,882.87
  4. Step 4: Simplify right side
    122,329.58x = 11,459,730,451.77
  5. Step 5: Solve for x
    x = 11,459,730,451.77/122,329.58
  6. Step 6: Final answer
    x = 93,679.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.