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Finding the Fourth Proportional to 169,012.28, 233,239.70 and 92,530.10

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Solution

The fourth proportional to 169,012.28, 233,239.70 and 92,530.10 is: 127,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,012.28 : 233,239.70 = 92,530.10 : x
  2. Step 2: Convert to fraction form
    169,012.28/233,239.70 = 92,530.10/x
  3. Step 3: Cross multiply
    169,012.28x = 233,239.70 × 92,530.10
  4. Step 4: Simplify right side
    169,012.28x = 21,581,692,764.97
  5. Step 5: Solve for x
    x = 21,581,692,764.97/169,012.28
  6. Step 6: Final answer
    x = 127,693.05

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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.