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Finding the Fourth Proportional to 144,776.16, 217,049.76 and 94,068

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Solution

The fourth proportional to 144,776.16, 217,049.76 and 94,068 is: 141,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,776.16 : 217,049.76 = 94,068 : x
  2. Step 2: Convert to fraction form
    144,776.16/217,049.76 = 94,068/x
  3. Step 3: Cross multiply
    144,776.16x = 217,049.76 × 94,068
  4. Step 4: Simplify right side
    144,776.16x = 20,417,436,823.68
  5. Step 5: Solve for x
    x = 20,417,436,823.68/144,776.16
  6. Step 6: Final answer
    x = 141,027.62

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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.