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Finding the Fourth Proportional to 164,879.70, 247,319.55 and 115,016.10

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Solution

The fourth proportional to 164,879.70, 247,319.55 and 115,016.10 is: 172,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,879.70 : 247,319.55 = 115,016.10 : x
  2. Step 2: Convert to fraction form
    164,879.70/247,319.55 = 115,016.10/x
  3. Step 3: Cross multiply
    164,879.70x = 247,319.55 × 115,016.10
  4. Step 4: Simplify right side
    164,879.70x = 28,445,730,094.76
  5. Step 5: Solve for x
    x = 28,445,730,094.76/164,879.70
  6. Step 6: Final answer
    x = 172,524.15

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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.