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Finding the Fourth Proportional to 247,957.97, 342,219.39 and 151,217.94

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Solution

The fourth proportional to 247,957.97, 342,219.39 and 151,217.94 is: 208,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,957.97 : 342,219.39 = 151,217.94 : x
  2. Step 2: Convert to fraction form
    247,957.97/342,219.39 = 151,217.94/x
  3. Step 3: Cross multiply
    247,957.97x = 342,219.39 × 151,217.94
  4. Step 4: Simplify right side
    247,957.97x = 51,749,713,034.25
  5. Step 5: Solve for x
    x = 51,749,713,034.25/247,957.97
  6. Step 6: Final answer
    x = 208,703.57

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1.5x scale

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.