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Finding the Fourth Proportional to 85,182.94, 117,545.45 and 48,895.49

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Solution

The fourth proportional to 85,182.94, 117,545.45 and 48,895.49 is: 67,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,182.94 : 117,545.45 = 48,895.49 : x
  2. Step 2: Convert to fraction form
    85,182.94/117,545.45 = 48,895.49/x
  3. Step 3: Cross multiply
    85,182.94x = 117,545.45 × 48,895.49
  4. Step 4: Simplify right side
    85,182.94x = 5,747,442,375.02
  5. Step 5: Solve for x
    x = 5,747,442,375.02/85,182.94
  6. Step 6: Final answer
    x = 67,471.75

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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.