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Finding the Fourth Proportional to 247,543.86, 341,608.32 and 134,366.52

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Solution

The fourth proportional to 247,543.86, 341,608.32 and 134,366.52 is: 185,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,543.86 : 341,608.32 = 134,366.52 : x
  2. Step 2: Convert to fraction form
    247,543.86/341,608.32 = 134,366.52/x
  3. Step 3: Cross multiply
    247,543.86x = 341,608.32 × 134,366.52
  4. Step 4: Simplify right side
    247,543.86x = 45,900,721,161.45
  5. Step 5: Solve for x
    x = 45,900,721,161.45/247,543.86
  6. Step 6: Final answer
    x = 185,424.60

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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.