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Finding the Fourth Proportional to 124,476.39, 171,772.22 and 67,884.39

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Solution

The fourth proportional to 124,476.39, 171,772.22 and 67,884.39 is: 93,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,476.39 : 171,772.22 = 67,884.39 : x
  2. Step 2: Convert to fraction form
    124,476.39/171,772.22 = 67,884.39/x
  3. Step 3: Cross multiply
    124,476.39x = 171,772.22 × 67,884.39
  4. Step 4: Simplify right side
    124,476.39x = 11,660,652,034.22
  5. Step 5: Solve for x
    x = 11,660,652,034.22/124,476.39
  6. Step 6: Final answer
    x = 93,677.62

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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.