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Finding the Fourth Proportional to 124,395.80, 171,666.21 and 67,807.17

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Solution

The fourth proportional to 124,395.80, 171,666.21 and 67,807.17 is: 93,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,395.80 : 171,666.21 = 67,807.17 : x
  2. Step 2: Convert to fraction form
    124,395.80/171,666.21 = 67,807.17/x
  3. Step 3: Cross multiply
    124,395.80x = 171,666.21 × 67,807.17
  4. Step 4: Simplify right side
    124,395.80x = 11,640,199,884.73
  5. Step 5: Solve for x
    x = 11,640,199,884.73/124,395.80
  6. Step 6: Final answer
    x = 93,573.90

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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.