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Finding the Fourth Proportional to 223,863.32, 308,953.17 and 167,176.28

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Solution

The fourth proportional to 223,863.32, 308,953.17 and 167,176.28 is: 230,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,863.32 : 308,953.17 = 167,176.28 : x
  2. Step 2: Convert to fraction form
    223,863.32/308,953.17 = 167,176.28/x
  3. Step 3: Cross multiply
    223,863.32x = 308,953.17 × 167,176.28
  4. Step 4: Simplify right side
    223,863.32x = 51,649,640,110.04
  5. Step 5: Solve for x
    x = 51,649,640,110.04/223,863.32
  6. Step 6: Final answer
    x = 230,719.54

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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.