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Finding the Fourth Proportional to 240,877.80, 361,446.30 and 100,650.60

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Solution

The fourth proportional to 240,877.80, 361,446.30 and 100,650.60 is: 151,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,877.80 : 361,446.30 = 100,650.60 : x
  2. Step 2: Convert to fraction form
    240,877.80/361,446.30 = 100,650.60/x
  3. Step 3: Cross multiply
    240,877.80x = 361,446.30 × 100,650.60
  4. Step 4: Simplify right side
    240,877.80x = 36,379,786,962.78
  5. Step 5: Solve for x
    x = 36,379,786,962.78/240,877.80
  6. Step 6: Final answer
    x = 151,030.05

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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.