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Finding the Fourth Proportional to 154,859.68, 232,233.78 and 53,630.32

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Solution

The fourth proportional to 154,859.68, 232,233.78 and 53,630.32 is: 80,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,859.68 : 232,233.78 = 53,630.32 : x
  2. Step 2: Convert to fraction form
    154,859.68/232,233.78 = 53,630.32/x
  3. Step 3: Cross multiply
    154,859.68x = 232,233.78 × 53,630.32
  4. Step 4: Simplify right side
    154,859.68x = 12,454,771,936.21
  5. Step 5: Solve for x
    x = 12,454,771,936.21/154,859.68
  6. Step 6: Final answer
    x = 80,426.18

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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.