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Finding the Fourth Proportional to 159,168.67, 219,656.27 and 87,552.32

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Solution

The fourth proportional to 159,168.67, 219,656.27 and 87,552.32 is: 120,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,168.67 : 219,656.27 = 87,552.32 : x
  2. Step 2: Convert to fraction form
    159,168.67/219,656.27 = 87,552.32/x
  3. Step 3: Cross multiply
    159,168.67x = 219,656.27 × 87,552.32
  4. Step 4: Simplify right side
    159,168.67x = 19,231,415,161.65
  5. Step 5: Solve for x
    x = 19,231,415,161.65/159,168.67
  6. Step 6: Final answer
    x = 120,824.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.