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Finding the Fourth Proportional to 174,171.60, 240,375.60 and 98,712

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Solution

The fourth proportional to 174,171.60, 240,375.60 and 98,712 is: 136,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,171.60 : 240,375.60 = 98,712 : x
  2. Step 2: Convert to fraction form
    174,171.60/240,375.60 = 98,712/x
  3. Step 3: Cross multiply
    174,171.60x = 240,375.60 × 98,712
  4. Step 4: Simplify right side
    174,171.60x = 23,727,956,227.20
  5. Step 5: Solve for x
    x = 23,727,956,227.20/174,171.60
  6. Step 6: Final answer
    x = 136,233.21

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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.