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Finding the Fourth Proportional to 68,886.83, 95,108.65 and 42,044.90

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Solution

The fourth proportional to 68,886.83, 95,108.65 and 42,044.90 is: 58,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,886.83 : 95,108.65 = 42,044.90 : x
  2. Step 2: Convert to fraction form
    68,886.83/95,108.65 = 42,044.90/x
  3. Step 3: Cross multiply
    68,886.83x = 95,108.65 × 42,044.90
  4. Step 4: Simplify right side
    68,886.83x = 3,998,833,678.39
  5. Step 5: Solve for x
    x = 3,998,833,678.39/68,886.83
  6. Step 6: Final answer
    x = 58,049.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.