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Finding the Fourth Proportional to 168,066.76, 251,947.56 and 83,852.68

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Solution

The fourth proportional to 168,066.76, 251,947.56 and 83,852.68 is: 125,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,066.76 : 251,947.56 = 83,852.68 : x
  2. Step 2: Convert to fraction form
    168,066.76/251,947.56 = 83,852.68/x
  3. Step 3: Cross multiply
    168,066.76x = 251,947.56 × 83,852.68
  4. Step 4: Simplify right side
    168,066.76x = 21,126,478,125.46
  5. Step 5: Solve for x
    x = 21,126,478,125.46/168,066.76
  6. Step 6: Final answer
    x = 125,702.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.