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Finding the Fourth Proportional to 91,176.53, 125,818.49 and 50,892.89

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Solution

The fourth proportional to 91,176.53, 125,818.49 and 50,892.89 is: 70,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176.53 : 125,818.49 = 50,892.89 : x
  2. Step 2: Convert to fraction form
    91,176.53/125,818.49 = 50,892.89/x
  3. Step 3: Cross multiply
    91,176.53x = 125,818.49 × 50,892.89
  4. Step 4: Simplify right side
    91,176.53x = 6,403,266,571.54
  5. Step 5: Solve for x
    x = 6,403,266,571.54/91,176.53
  6. Step 6: Final answer
    x = 70,229.33

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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.