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Finding the Fourth Proportional to 240,976.42, 361,381.25 and 98,781.32

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Solution

The fourth proportional to 240,976.42, 361,381.25 and 98,781.32 is: 148,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,976.42 : 361,381.25 = 98,781.32 : x
  2. Step 2: Convert to fraction form
    240,976.42/361,381.25 = 98,781.32/x
  3. Step 3: Cross multiply
    240,976.42x = 361,381.25 × 98,781.32
  4. Step 4: Simplify right side
    240,976.42x = 35,697,717,493.01
  5. Step 5: Solve for x
    x = 35,697,717,493.01/240,976.42
  6. Step 6: Final answer
    x = 148,137.80

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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.