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Finding the Fourth Proportional to 167,421.62, 230,883.26 and 109,959.82

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Solution

The fourth proportional to 167,421.62, 230,883.26 and 109,959.82 is: 151,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,421.62 : 230,883.26 = 109,959.82 : x
  2. Step 2: Convert to fraction form
    167,421.62/230,883.26 = 109,959.82/x
  3. Step 3: Cross multiply
    167,421.62x = 230,883.26 × 109,959.82
  4. Step 4: Simplify right side
    167,421.62x = 25,387,881,710.61
  5. Step 5: Solve for x
    x = 25,387,881,710.61/167,421.62
  6. Step 6: Final answer
    x = 151,640.40

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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.