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Finding the Fourth Proportional to 108,963.92, 163,445.88 and 34,082.48

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Solution

The fourth proportional to 108,963.92, 163,445.88 and 34,082.48 is: 51,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,963.92 : 163,445.88 = 34,082.48 : x
  2. Step 2: Convert to fraction form
    108,963.92/163,445.88 = 34,082.48/x
  3. Step 3: Cross multiply
    108,963.92x = 163,445.88 × 34,082.48
  4. Step 4: Simplify right side
    108,963.92x = 5,570,640,936.18
  5. Step 5: Solve for x
    x = 5,570,640,936.18/108,963.92
  6. Step 6: Final answer
    x = 51,123.72

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1.5x scale

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.