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Finding the Fourth Proportional to 247,500.64, 341,292.66 and 146,879.20

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Solution

The fourth proportional to 247,500.64, 341,292.66 and 146,879.20 is: 202,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,500.64 : 341,292.66 = 146,879.20 : x
  2. Step 2: Convert to fraction form
    247,500.64/341,292.66 = 146,879.20/x
  3. Step 3: Cross multiply
    247,500.64x = 341,292.66 × 146,879.20
  4. Step 4: Simplify right side
    247,500.64x = 50,128,792,866.67
  5. Step 5: Solve for x
    x = 50,128,792,866.67/247,500.64
  6. Step 6: Final answer
    x = 202,540.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.