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Finding the Fourth Proportional to 240,610.40, 360,915.60 and 165,960.80

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Solution

The fourth proportional to 240,610.40, 360,915.60 and 165,960.80 is: 248,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,610.40 : 360,915.60 = 165,960.80 : x
  2. Step 2: Convert to fraction form
    240,610.40/360,915.60 = 165,960.80/x
  3. Step 3: Cross multiply
    240,610.40x = 360,915.60 × 165,960.80
  4. Step 4: Simplify right side
    240,610.40x = 59,897,841,708.48
  5. Step 5: Solve for x
    x = 59,897,841,708.48/240,610.40
  6. Step 6: Final answer
    x = 248,941.20

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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.