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Finding the Fourth Proportional to 432,371.92, 648,559.80 and 132,850

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Solution

The fourth proportional to 432,371.92, 648,559.80 and 132,850 is: 199,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,371.92 : 648,559.80 = 132,850 : x
  2. Step 2: Convert to fraction form
    432,371.92/648,559.80 = 132,850/x
  3. Step 3: Cross multiply
    432,371.92x = 648,559.80 × 132,850
  4. Step 4: Simplify right side
    432,371.92x = 86,161,169,430
  5. Step 5: Solve for x
    x = 86,161,169,430/432,371.92
  6. Step 6: Final answer
    x = 199,275.59

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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.