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Finding the Fourth Proportional to 245,865.52, 368,863.91 and 88,109.92

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Solution

The fourth proportional to 245,865.52, 368,863.91 and 88,109.92 is: 132,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,865.52 : 368,863.91 = 88,109.92 : x
  2. Step 2: Convert to fraction form
    245,865.52/368,863.91 = 88,109.92/x
  3. Step 3: Cross multiply
    245,865.52x = 368,863.91 × 88,109.92
  4. Step 4: Simplify right side
    245,865.52x = 32,500,567,316.12
  5. Step 5: Solve for x
    x = 32,500,567,316.12/245,865.52
  6. Step 6: Final answer
    x = 132,188.39

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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.