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Finding the Fourth Proportional to 185,707.92, 278,656.89 and 88,444.64

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Solution

The fourth proportional to 185,707.92, 278,656.89 and 88,444.64 is: 132,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,707.92 : 278,656.89 = 88,444.64 : x
  2. Step 2: Convert to fraction form
    185,707.92/278,656.89 = 88,444.64/x
  3. Step 3: Cross multiply
    185,707.92x = 278,656.89 × 88,444.64
  4. Step 4: Simplify right side
    185,707.92x = 24,645,709,016.21
  5. Step 5: Solve for x
    x = 24,645,709,016.21/185,707.92
  6. Step 6: Final answer
    x = 132,712.21

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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.