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Finding the Fourth Proportional to 65,371.68, 98,057.76 and 16,123.68

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Solution

The fourth proportional to 65,371.68, 98,057.76 and 16,123.68 is: 24,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,371.68 : 98,057.76 = 16,123.68 : x
  2. Step 2: Convert to fraction form
    65,371.68/98,057.76 = 16,123.68/x
  3. Step 3: Cross multiply
    65,371.68x = 98,057.76 × 16,123.68
  4. Step 4: Simplify right side
    65,371.68x = 1,581,051,943.76
  5. Step 5: Solve for x
    x = 1,581,051,943.76/65,371.68
  6. Step 6: Final answer
    x = 24,185.58

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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.