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Finding the Fourth Proportional to 141,343.28, 212,025.28 and 52,596.76

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Solution

The fourth proportional to 141,343.28, 212,025.28 and 52,596.76 is: 78,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,343.28 : 212,025.28 = 52,596.76 : x
  2. Step 2: Convert to fraction form
    141,343.28/212,025.28 = 52,596.76/x
  3. Step 3: Cross multiply
    141,343.28x = 212,025.28 × 52,596.76
  4. Step 4: Simplify right side
    141,343.28x = 11,151,842,766.09
  5. Step 5: Solve for x
    x = 11,151,842,766.09/141,343.28
  6. Step 6: Final answer
    x = 78,899.00

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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.