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Finding the Fourth Proportional to 238,987.44, 358,535.17 and 79,063

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Solution

The fourth proportional to 238,987.44, 358,535.17 and 79,063 is: 118,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,987.44 : 358,535.17 = 79,063 : x
  2. Step 2: Convert to fraction form
    238,987.44/358,535.17 = 79,063/x
  3. Step 3: Cross multiply
    238,987.44x = 358,535.17 × 79,063
  4. Step 4: Simplify right side
    238,987.44x = 28,346,866,145.71
  5. Step 5: Solve for x
    x = 28,346,866,145.71/238,987.44
  6. Step 6: Final answer
    x = 118,612.37

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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.