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Finding the Fourth Proportional to 240,710.79, 332,186.10 and 131,819.75

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Solution

The fourth proportional to 240,710.79, 332,186.10 and 131,819.75 is: 181,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,710.79 : 332,186.10 = 131,819.75 : x
  2. Step 2: Convert to fraction form
    240,710.79/332,186.10 = 131,819.75/x
  3. Step 3: Cross multiply
    240,710.79x = 332,186.10 × 131,819.75
  4. Step 4: Simplify right side
    240,710.79x = 43,788,688,655.48
  5. Step 5: Solve for x
    x = 43,788,688,655.48/240,710.79
  6. Step 6: Final answer
    x = 181,914.11

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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.