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Finding the Fourth Proportional to 240,800.70, 360,855.45 and 177,123.90

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Solution

The fourth proportional to 240,800.70, 360,855.45 and 177,123.90 is: 265,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,800.70 : 360,855.45 = 177,123.90 : x
  2. Step 2: Convert to fraction form
    240,800.70/360,855.45 = 177,123.90/x
  3. Step 3: Cross multiply
    240,800.70x = 360,855.45 × 177,123.90
  4. Step 4: Simplify right side
    240,800.70x = 63,916,124,640.26
  5. Step 5: Solve for x
    x = 63,916,124,640.26/240,800.70
  6. Step 6: Final answer
    x = 265,431.64

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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.