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Finding the Fourth Proportional to 238,987.00, 358,534.51 and 79,062.56

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Solution

The fourth proportional to 238,987.00, 358,534.51 and 79,062.56 is: 118,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,987.00 : 358,534.51 = 79,062.56 : x
  2. Step 2: Convert to fraction form
    238,987.00/358,534.51 = 79,062.56/x
  3. Step 3: Cross multiply
    238,987.00x = 358,534.51 × 79,062.56
  4. Step 4: Simplify right side
    238,987.00x = 28,346,656,680.10
  5. Step 5: Solve for x
    x = 28,346,656,680.10/238,987.00
  6. Step 6: Final answer
    x = 118,611.71

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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.