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Finding the Fourth Proportional to 141,405.32, 212,144.43 and 41,568.77

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Solution

The fourth proportional to 141,405.32, 212,144.43 and 41,568.77 is: 62,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,405.32 : 212,144.43 = 41,568.77 : x
  2. Step 2: Convert to fraction form
    141,405.32/212,144.43 = 41,568.77/x
  3. Step 3: Cross multiply
    141,405.32x = 212,144.43 × 41,568.77
  4. Step 4: Simplify right side
    141,405.32x = 8,818,583,017.45
  5. Step 5: Solve for x
    x = 8,818,583,017.45/141,405.32
  6. Step 6: Final answer
    x = 62,363.87

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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.