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Finding the Fourth Proportional to 168,041.70, 232,214.40 and 132,513.90

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Solution

The fourth proportional to 168,041.70, 232,214.40 and 132,513.90 is: 183,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,041.70 : 232,214.40 = 132,513.90 : x
  2. Step 2: Convert to fraction form
    168,041.70/232,214.40 = 132,513.90/x
  3. Step 3: Cross multiply
    168,041.70x = 232,214.40 × 132,513.90
  4. Step 4: Simplify right side
    168,041.70x = 30,771,635,780.16
  5. Step 5: Solve for x
    x = 30,771,635,780.16/168,041.70
  6. Step 6: Final answer
    x = 183,119.05

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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.