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Finding the Fourth Proportional to 94,082.88, 129,829.76 and 51,640.64

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Solution

The fourth proportional to 94,082.88, 129,829.76 and 51,640.64 is: 71,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,082.88 : 129,829.76 = 51,640.64 : x
  2. Step 2: Convert to fraction form
    94,082.88/129,829.76 = 51,640.64/x
  3. Step 3: Cross multiply
    94,082.88x = 129,829.76 × 51,640.64
  4. Step 4: Simplify right side
    94,082.88x = 6,704,491,897.45
  5. Step 5: Solve for x
    x = 6,704,491,897.45/94,082.88
  6. Step 6: Final answer
    x = 71,261.55

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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.