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Finding the Fourth Proportional to 132,887.80, 199,109.80 and 93,374.18

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Solution

The fourth proportional to 132,887.80, 199,109.80 and 93,374.18 is: 139,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887.80 : 199,109.80 = 93,374.18 : x
  2. Step 2: Convert to fraction form
    132,887.80/199,109.80 = 93,374.18/x
  3. Step 3: Cross multiply
    132,887.80x = 199,109.80 × 93,374.18
  4. Step 4: Simplify right side
    132,887.80x = 18,591,714,040.62
  5. Step 5: Solve for x
    x = 18,591,714,040.62/132,887.80
  6. Step 6: Final answer
    x = 139,905.35

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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.