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Finding the Fourth Proportional to 179,491.68, 247,710.21 and 103,035.53

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Solution

The fourth proportional to 179,491.68, 247,710.21 and 103,035.53 is: 142,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,491.68 : 247,710.21 = 103,035.53 : x
  2. Step 2: Convert to fraction form
    179,491.68/247,710.21 = 103,035.53/x
  3. Step 3: Cross multiply
    179,491.68x = 247,710.21 × 103,035.53
  4. Step 4: Simplify right side
    179,491.68x = 25,522,952,773.76
  5. Step 5: Solve for x
    x = 25,522,952,773.76/179,491.68
  6. Step 6: Final answer
    x = 142,195.74

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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.