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Finding the Fourth Proportional to 167,235.92, 230,710.22 and 99,255.75

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Solution

The fourth proportional to 167,235.92, 230,710.22 and 99,255.75 is: 136,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,235.92 : 230,710.22 = 99,255.75 : x
  2. Step 2: Convert to fraction form
    167,235.92/230,710.22 = 99,255.75/x
  3. Step 3: Cross multiply
    167,235.92x = 230,710.22 × 99,255.75
  4. Step 4: Simplify right side
    167,235.92x = 22,899,316,783.93
  5. Step 5: Solve for x
    x = 22,899,316,783.93/167,235.92
  6. Step 6: Final answer
    x = 136,928.22

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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.