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Finding the Fourth Proportional to 144,376.85, 216,419.84 and 60,183.59

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Solution

The fourth proportional to 144,376.85, 216,419.84 and 60,183.59 is: 90,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,376.85 : 216,419.84 = 60,183.59 : x
  2. Step 2: Convert to fraction form
    144,376.85/216,419.84 = 60,183.59/x
  3. Step 3: Cross multiply
    144,376.85x = 216,419.84 × 60,183.59
  4. Step 4: Simplify right side
    144,376.85x = 13,024,921,535.41
  5. Step 5: Solve for x
    x = 13,024,921,535.41/144,376.85
  6. Step 6: Final answer
    x = 90,214.75

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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.