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Finding the Fourth Proportional to 124,497.71, 171,807.38 and 67,910.30

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Solution

The fourth proportional to 124,497.71, 171,807.38 and 67,910.30 is: 93,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497.71 : 171,807.38 = 67,910.30 : x
  2. Step 2: Convert to fraction form
    124,497.71/171,807.38 = 67,910.30/x
  3. Step 3: Cross multiply
    124,497.71x = 171,807.38 × 67,910.30
  4. Step 4: Simplify right side
    124,497.71x = 11,667,489,646.76
  5. Step 5: Solve for x
    x = 11,667,489,646.76/124,497.71
  6. Step 6: Final answer
    x = 93,716.50

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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.