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Finding the Fourth Proportional to 240,367.80, 360,551.70 and 151,721.40

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Solution

The fourth proportional to 240,367.80, 360,551.70 and 151,721.40 is: 227,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,367.80 : 360,551.70 = 151,721.40 : x
  2. Step 2: Convert to fraction form
    240,367.80/360,551.70 = 151,721.40/x
  3. Step 3: Cross multiply
    240,367.80x = 360,551.70 × 151,721.40
  4. Step 4: Simplify right side
    240,367.80x = 54,703,408,696.38
  5. Step 5: Solve for x
    x = 54,703,408,696.38/240,367.80
  6. Step 6: Final answer
    x = 227,582.10

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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.