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Finding the Fourth Proportional to 168,307.80, 232,241.73 and 96,687.78

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Solution

The fourth proportional to 168,307.80, 232,241.73 and 96,687.78 is: 133,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,307.80 : 232,241.73 = 96,687.78 : x
  2. Step 2: Convert to fraction form
    168,307.80/232,241.73 = 96,687.78/x
  3. Step 3: Cross multiply
    168,307.80x = 232,241.73 × 96,687.78
  4. Step 4: Simplify right side
    168,307.80x = 22,454,937,297.06
  5. Step 5: Solve for x
    x = 22,454,937,297.06/168,307.80
  6. Step 6: Final answer
    x = 133,415.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.