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Finding the Fourth Proportional to 127,618.73, 176,092.32 and 73,894.46

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Solution

The fourth proportional to 127,618.73, 176,092.32 and 73,894.46 is: 101,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,618.73 : 176,092.32 = 73,894.46 : x
  2. Step 2: Convert to fraction form
    127,618.73/176,092.32 = 73,894.46/x
  3. Step 3: Cross multiply
    127,618.73x = 176,092.32 × 73,894.46
  4. Step 4: Simplify right side
    127,618.73x = 13,012,246,016.09
  5. Step 5: Solve for x
    x = 13,012,246,016.09/127,618.73
  6. Step 6: Final answer
    x = 101,961.89

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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.