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Finding the Fourth Proportional to 125,437.66, 173,104.07 and 68,076.97

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Solution

The fourth proportional to 125,437.66, 173,104.07 and 68,076.97 is: 93,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,437.66 : 173,104.07 = 68,076.97 : x
  2. Step 2: Convert to fraction form
    125,437.66/173,104.07 = 68,076.97/x
  3. Step 3: Cross multiply
    125,437.66x = 173,104.07 × 68,076.97
  4. Step 4: Simplify right side
    125,437.66x = 11,784,399,807.12
  5. Step 5: Solve for x
    x = 11,784,399,807.12/125,437.66
  6. Step 6: Final answer
    x = 93,946.26

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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.