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Finding the Fourth Proportional to 240,894.60, 360,966.60 and 91,053.15

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Solution

The fourth proportional to 240,894.60, 360,966.60 and 91,053.15 is: 136,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,894.60 : 360,966.60 = 91,053.15 : x
  2. Step 2: Convert to fraction form
    240,894.60/360,966.60 = 91,053.15/x
  3. Step 3: Cross multiply
    240,894.60x = 360,966.60 × 91,053.15
  4. Step 4: Simplify right side
    240,894.60x = 32,867,145,974.79
  5. Step 5: Solve for x
    x = 32,867,145,974.79/240,894.60
  6. Step 6: Final answer
    x = 136,437.87

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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.