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Finding the Fourth Proportional to 141,858.96, 212,819.56 and 42,026.96

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Solution

The fourth proportional to 141,858.96, 212,819.56 and 42,026.96 is: 63,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,858.96 : 212,819.56 = 42,026.96 : x
  2. Step 2: Convert to fraction form
    141,858.96/212,819.56 = 42,026.96/x
  3. Step 3: Cross multiply
    141,858.96x = 212,819.56 × 42,026.96
  4. Step 4: Simplify right side
    141,858.96x = 8,944,158,071.24
  5. Step 5: Solve for x
    x = 8,944,158,071.24/141,858.96
  6. Step 6: Final answer
    x = 63,049.65

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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.