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Finding the Fourth Proportional to 79,803.46, 119,691.69 and 23,642.38

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Solution

The fourth proportional to 79,803.46, 119,691.69 and 23,642.38 is: 35,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.46 : 119,691.69 = 23,642.38 : x
  2. Step 2: Convert to fraction form
    79,803.46/119,691.69 = 23,642.38/x
  3. Step 3: Cross multiply
    79,803.46x = 119,691.69 × 23,642.38
  4. Step 4: Simplify right side
    79,803.46x = 2,829,796,417.82
  5. Step 5: Solve for x
    x = 2,829,796,417.82/79,803.46
  6. Step 6: Final answer
    x = 35,459.57

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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.