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Finding the Fourth Proportional to 144,937.96, 217,421.52 and 53,778.33

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Solution

The fourth proportional to 144,937.96, 217,421.52 and 53,778.33 is: 80,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,937.96 : 217,421.52 = 53,778.33 : x
  2. Step 2: Convert to fraction form
    144,937.96/217,421.52 = 53,778.33/x
  3. Step 3: Cross multiply
    144,937.96x = 217,421.52 × 53,778.33
  4. Step 4: Simplify right side
    144,937.96x = 11,692,566,049.99
  5. Step 5: Solve for x
    x = 11,692,566,049.99/144,937.96
  6. Step 6: Final answer
    x = 80,672.90

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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.