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Finding the Fourth Proportional to 66,792.83, 100,151.71 and 45,756.59

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Solution

The fourth proportional to 66,792.83, 100,151.71 and 45,756.59 is: 68,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,792.83 : 100,151.71 = 45,756.59 : x
  2. Step 2: Convert to fraction form
    66,792.83/100,151.71 = 45,756.59/x
  3. Step 3: Cross multiply
    66,792.83x = 100,151.71 × 45,756.59
  4. Step 4: Simplify right side
    66,792.83x = 4,582,600,732.27
  5. Step 5: Solve for x
    x = 4,582,600,732.27/66,792.83
  6. Step 6: Final answer
    x = 68,609.17

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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.