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Finding the Fourth Proportional to 71,178.75, 106,832.52 and 37,926.90

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Solution

The fourth proportional to 71,178.75, 106,832.52 and 37,926.90 is: 56,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,178.75 : 106,832.52 = 37,926.90 : x
  2. Step 2: Convert to fraction form
    71,178.75/106,832.52 = 37,926.90/x
  3. Step 3: Cross multiply
    71,178.75x = 106,832.52 × 37,926.90
  4. Step 4: Simplify right side
    71,178.75x = 4,051,826,302.79
  5. Step 5: Solve for x
    x = 4,051,826,302.79/71,178.75
  6. Step 6: Final answer
    x = 56,924.66

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1.5x scale

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.