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Finding the Fourth Proportional to 152,438.92, 228,723.98 and 73,612.12

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Solution

The fourth proportional to 152,438.92, 228,723.98 and 73,612.12 is: 110,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,438.92 : 228,723.98 = 73,612.12 : x
  2. Step 2: Convert to fraction form
    152,438.92/228,723.98 = 73,612.12/x
  3. Step 3: Cross multiply
    152,438.92x = 228,723.98 × 73,612.12
  4. Step 4: Simplify right side
    152,438.92x = 16,836,857,062.64
  5. Step 5: Solve for x
    x = 16,836,857,062.64/152,438.92
  6. Step 6: Final answer
    x = 110,449.86

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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.