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Finding the Fourth Proportional to 240,825.60, 361,238.40 and 156,844.80

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Solution

The fourth proportional to 240,825.60, 361,238.40 and 156,844.80 is: 235,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,825.60 : 361,238.40 = 156,844.80 : x
  2. Step 2: Convert to fraction form
    240,825.60/361,238.40 = 156,844.80/x
  3. Step 3: Cross multiply
    240,825.60x = 361,238.40 × 156,844.80
  4. Step 4: Simplify right side
    240,825.60x = 56,658,364,600.32
  5. Step 5: Solve for x
    x = 56,658,364,600.32/240,825.60
  6. Step 6: Final answer
    x = 235,267.20

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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.