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Finding the Fourth Proportional to 240,854.20, 360,935.70 and 177,177.40

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Solution

The fourth proportional to 240,854.20, 360,935.70 and 177,177.40 is: 265,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,854.20 : 360,935.70 = 177,177.40 : x
  2. Step 2: Convert to fraction form
    240,854.20/360,935.70 = 177,177.40/x
  3. Step 3: Cross multiply
    240,854.20x = 360,935.70 × 177,177.40
  4. Step 4: Simplify right side
    240,854.20x = 63,949,648,893.18
  5. Step 5: Solve for x
    x = 63,949,648,893.18/240,854.20
  6. Step 6: Final answer
    x = 265,511.87

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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.