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Finding the Fourth Proportional to 167,042.52, 230,824.08 and 121,641.48

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Solution

The fourth proportional to 167,042.52, 230,824.08 and 121,641.48 is: 168,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,042.52 : 230,824.08 = 121,641.48 : x
  2. Step 2: Convert to fraction form
    167,042.52/230,824.08 = 121,641.48/x
  3. Step 3: Cross multiply
    167,042.52x = 230,824.08 × 121,641.48
  4. Step 4: Simplify right side
    167,042.52x = 28,077,782,710.84
  5. Step 5: Solve for x
    x = 28,077,782,710.84/167,042.52
  6. Step 6: Final answer
    x = 168,087.64

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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.