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Finding the Fourth Proportional to 73,851.17, 110,812.89 and 45,763.70

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Solution

The fourth proportional to 73,851.17, 110,812.89 and 45,763.70 is: 68,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,851.17 : 110,812.89 = 45,763.70 : x
  2. Step 2: Convert to fraction form
    73,851.17/110,812.89 = 45,763.70/x
  3. Step 3: Cross multiply
    73,851.17x = 110,812.89 × 45,763.70
  4. Step 4: Simplify right side
    73,851.17x = 5,071,208,131.13
  5. Step 5: Solve for x
    x = 5,071,208,131.13/73,851.17
  6. Step 6: Final answer
    x = 68,667.95

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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.