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Finding the Fourth Proportional to 144,411.53, 216,654.30 and 60,143.67

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Solution

The fourth proportional to 144,411.53, 216,654.30 and 60,143.67 is: 90,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,411.53 : 216,654.30 = 60,143.67 : x
  2. Step 2: Convert to fraction form
    144,411.53/216,654.30 = 60,143.67/x
  3. Step 3: Cross multiply
    144,411.53x = 216,654.30 × 60,143.67
  4. Step 4: Simplify right side
    144,411.53x = 13,030,384,723.28
  5. Step 5: Solve for x
    x = 13,030,384,723.28/144,411.53
  6. Step 6: Final answer
    x = 90,230.92

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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.