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Finding the Fourth Proportional to 124,121.92, 171,284.88 and 67,532.08

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Solution

The fourth proportional to 124,121.92, 171,284.88 and 67,532.08 is: 93,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.92 : 171,284.88 = 67,532.08 : x
  2. Step 2: Convert to fraction form
    124,121.92/171,284.88 = 67,532.08/x
  3. Step 3: Cross multiply
    124,121.92x = 171,284.88 × 67,532.08
  4. Step 4: Simplify right side
    124,121.92x = 11,567,224,218.95
  5. Step 5: Solve for x
    x = 11,567,224,218.95/124,121.92
  6. Step 6: Final answer
    x = 93,192.44

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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.