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Finding the Fourth Proportional to 224,674.80, 336,781.80 and 131,132.40

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Solution

The fourth proportional to 224,674.80, 336,781.80 and 131,132.40 is: 196,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,674.80 : 336,781.80 = 131,132.40 : x
  2. Step 2: Convert to fraction form
    224,674.80/336,781.80 = 131,132.40/x
  3. Step 3: Cross multiply
    224,674.80x = 336,781.80 × 131,132.40
  4. Step 4: Simplify right side
    224,674.80x = 44,163,005,710.32
  5. Step 5: Solve for x
    x = 44,163,005,710.32/224,674.80
  6. Step 6: Final answer
    x = 196,564.13

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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.