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Finding the Fourth Proportional to 215,651.52, 323,507.52 and 75,378.24

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Solution

The fourth proportional to 215,651.52, 323,507.52 and 75,378.24 is: 113,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,651.52 : 323,507.52 = 75,378.24 : x
  2. Step 2: Convert to fraction form
    215,651.52/323,507.52 = 75,378.24/x
  3. Step 3: Cross multiply
    215,651.52x = 323,507.52 × 75,378.24
  4. Step 4: Simplify right side
    215,651.52x = 24,385,427,484.36
  5. Step 5: Solve for x
    x = 24,385,427,484.36/215,651.52
  6. Step 6: Final answer
    x = 113,077.93

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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.