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Finding the Fourth Proportional to 89,266.53, 123,191.67 and 53,449.71

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Solution

The fourth proportional to 89,266.53, 123,191.67 and 53,449.71 is: 73,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,266.53 : 123,191.67 = 53,449.71 : x
  2. Step 2: Convert to fraction form
    89,266.53/123,191.67 = 53,449.71/x
  3. Step 3: Cross multiply
    89,266.53x = 123,191.67 × 53,449.71
  4. Step 4: Simplify right side
    89,266.53x = 6,584,558,774.38
  5. Step 5: Solve for x
    x = 6,584,558,774.38/89,266.53
  6. Step 6: Final answer
    x = 73,762.90

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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.