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Finding the Fourth Proportional to 127,836, 176,412.06 and 71,247.24

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Solution

The fourth proportional to 127,836, 176,412.06 and 71,247.24 is: 98,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,836 : 176,412.06 = 71,247.24 : x
  2. Step 2: Convert to fraction form
    127,836/176,412.06 = 71,247.24/x
  3. Step 3: Cross multiply
    127,836x = 176,412.06 × 71,247.24
  4. Step 4: Simplify right side
    127,836x = 12,568,872,377.71
  5. Step 5: Solve for x
    x = 12,568,872,377.71/127,836
  6. Step 6: Final answer
    x = 98,320.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.