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Finding the Fourth Proportional to 141,602.65, 212,441.00 and 52,856.92

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Solution

The fourth proportional to 141,602.65, 212,441.00 and 52,856.92 is: 79,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,602.65 : 212,441.00 = 52,856.92 : x
  2. Step 2: Convert to fraction form
    141,602.65/212,441.00 = 52,856.92/x
  3. Step 3: Cross multiply
    141,602.65x = 212,441.00 × 52,856.92
  4. Step 4: Simplify right side
    141,602.65x = 11,228,976,942.99
  5. Step 5: Solve for x
    x = 11,228,976,942.99/141,602.65
  6. Step 6: Final answer
    x = 79,299.20

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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.