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Finding the Fourth Proportional to 127,895.92, 176,494.44 and 71,305.84

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Solution

The fourth proportional to 127,895.92, 176,494.44 and 71,305.84 is: 98,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,895.92 : 176,494.44 = 71,305.84 : x
  2. Step 2: Convert to fraction form
    127,895.92/176,494.44 = 71,305.84/x
  3. Step 3: Cross multiply
    127,895.92x = 176,494.44 × 71,305.84
  4. Step 4: Simplify right side
    127,895.92x = 12,585,084,299.53
  5. Step 5: Solve for x
    x = 12,585,084,299.53/127,895.92
  6. Step 6: Final answer
    x = 98,400.98

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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.