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Finding the Fourth Proportional to 240,397.76, 331,726.58 and 132,965.48

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Solution

The fourth proportional to 240,397.76, 331,726.58 and 132,965.48 is: 183,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,397.76 : 331,726.58 = 132,965.48 : x
  2. Step 2: Convert to fraction form
    240,397.76/331,726.58 = 132,965.48/x
  3. Step 3: Cross multiply
    240,397.76x = 331,726.58 × 132,965.48
  4. Step 4: Simplify right side
    240,397.76x = 44,108,183,938.46
  5. Step 5: Solve for x
    x = 44,108,183,938.46/240,397.76
  6. Step 6: Final answer
    x = 183,480.01

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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.