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Finding the Fourth Proportional to 217,350.63, 299,963.52 and 126,699.48

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Solution

The fourth proportional to 217,350.63, 299,963.52 and 126,699.48 is: 174,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,350.63 : 299,963.52 = 126,699.48 : x
  2. Step 2: Convert to fraction form
    217,350.63/299,963.52 = 126,699.48/x
  3. Step 3: Cross multiply
    217,350.63x = 299,963.52 × 126,699.48
  4. Step 4: Simplify right side
    217,350.63x = 38,005,222,002.97
  5. Step 5: Solve for x
    x = 38,005,222,002.97/217,350.63
  6. Step 6: Final answer
    x = 174,856.74

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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.