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Finding the Fourth Proportional to 144,955.77, 217,454.15 and 45,126.04

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Solution

The fourth proportional to 144,955.77, 217,454.15 and 45,126.04 is: 67,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,955.77 : 217,454.15 = 45,126.04 : x
  2. Step 2: Convert to fraction form
    144,955.77/217,454.15 = 45,126.04/x
  3. Step 3: Cross multiply
    144,955.77x = 217,454.15 × 45,126.04
  4. Step 4: Simplify right side
    144,955.77x = 9,812,844,240.25
  5. Step 5: Solve for x
    x = 9,812,844,240.25/144,955.77
  6. Step 6: Final answer
    x = 67,695.44

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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.