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Finding the Fourth Proportional to 239,241.80, 358,924.16 and 70,755.32

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Solution

The fourth proportional to 239,241.80, 358,924.16 and 70,755.32 is: 106,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,241.80 : 358,924.16 = 70,755.32 : x
  2. Step 2: Convert to fraction form
    239,241.80/358,924.16 = 70,755.32/x
  3. Step 3: Cross multiply
    239,241.80x = 358,924.16 × 70,755.32
  4. Step 4: Simplify right side
    239,241.80x = 25,395,794,870.73
  5. Step 5: Solve for x
    x = 25,395,794,870.73/239,241.80
  6. Step 6: Final answer
    x = 106,151.16

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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.