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Finding the Fourth Proportional to 240,922.45, 361,384.47 and 61,007.78

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Solution

The fourth proportional to 240,922.45, 361,384.47 and 61,007.78 is: 91,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,922.45 : 361,384.47 = 61,007.78 : x
  2. Step 2: Convert to fraction form
    240,922.45/361,384.47 = 61,007.78/x
  3. Step 3: Cross multiply
    240,922.45x = 361,384.47 × 61,007.78
  4. Step 4: Simplify right side
    240,922.45x = 22,047,265,402.01
  5. Step 5: Solve for x
    x = 22,047,265,402.01/240,922.45
  6. Step 6: Final answer
    x = 91,511.88

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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.