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Finding the Fourth Proportional to 167,288.68, 230,858.74 and 99,319.32

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Solution

The fourth proportional to 167,288.68, 230,858.74 and 99,319.32 is: 137,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,288.68 : 230,858.74 = 99,319.32 : x
  2. Step 2: Convert to fraction form
    167,288.68/230,858.74 = 99,319.32/x
  3. Step 3: Cross multiply
    167,288.68x = 230,858.74 × 99,319.32
  4. Step 4: Simplify right side
    167,288.68x = 22,928,733,072.86
  5. Step 5: Solve for x
    x = 22,928,733,072.86/167,288.68
  6. Step 6: Final answer
    x = 137,060.88

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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.