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Finding the Fourth Proportional to 169,287.76, 233,615.61 and 92,805.46

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Solution

The fourth proportional to 169,287.76, 233,615.61 and 92,805.46 is: 128,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,287.76 : 233,615.61 = 92,805.46 : x
  2. Step 2: Convert to fraction form
    169,287.76/233,615.61 = 92,805.46/x
  3. Step 3: Cross multiply
    169,287.76x = 233,615.61 × 92,805.46
  4. Step 4: Simplify right side
    169,287.76x = 21,680,804,965.28
  5. Step 5: Solve for x
    x = 21,680,804,965.28/169,287.76
  6. Step 6: Final answer
    x = 128,070.72

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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.