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Finding the Fourth Proportional to 66,822.60, 100,233.90 and 41,453.40

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Solution

The fourth proportional to 66,822.60, 100,233.90 and 41,453.40 is: 62,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822.60 : 100,233.90 = 41,453.40 : x
  2. Step 2: Convert to fraction form
    66,822.60/100,233.90 = 41,453.40/x
  3. Step 3: Cross multiply
    66,822.60x = 100,233.90 × 41,453.40
  4. Step 4: Simplify right side
    66,822.60x = 4,155,035,950.26
  5. Step 5: Solve for x
    x = 4,155,035,950.26/66,822.60
  6. Step 6: Final answer
    x = 62,180.10

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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.