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Finding the Fourth Proportional to 238,208.64, 357,187.68 and 125,949.12

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Solution

The fourth proportional to 238,208.64, 357,187.68 and 125,949.12 is: 188,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,208.64 : 357,187.68 = 125,949.12 : x
  2. Step 2: Convert to fraction form
    238,208.64/357,187.68 = 125,949.12/x
  3. Step 3: Cross multiply
    238,208.64x = 357,187.68 × 125,949.12
  4. Step 4: Simplify right side
    238,208.64x = 44,987,473,970.84
  5. Step 5: Solve for x
    x = 44,987,473,970.84/238,208.64
  6. Step 6: Final answer
    x = 188,857.44

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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.