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Finding the Fourth Proportional to 141,797.71, 212,700.69 and 53,034.28

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Solution

The fourth proportional to 141,797.71, 212,700.69 and 53,034.28 is: 79,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,797.71 : 212,700.69 = 53,034.28 : x
  2. Step 2: Convert to fraction form
    141,797.71/212,700.69 = 53,034.28/x
  3. Step 3: Cross multiply
    141,797.71x = 212,700.69 × 53,034.28
  4. Step 4: Simplify right side
    141,797.71x = 11,280,427,949.65
  5. Step 5: Solve for x
    x = 11,280,427,949.65/141,797.71
  6. Step 6: Final answer
    x = 79,552.96

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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.