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Finding the Fourth Proportional to 169,287.98, 233,615.91 and 92,805.68

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Solution

The fourth proportional to 169,287.98, 233,615.91 and 92,805.68 is: 128,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,287.98 : 233,615.91 = 92,805.68 : x
  2. Step 2: Convert to fraction form
    169,287.98/233,615.91 = 92,805.68/x
  3. Step 3: Cross multiply
    169,287.98x = 233,615.91 × 92,805.68
  4. Step 4: Simplify right side
    169,287.98x = 21,680,883,386.37
  5. Step 5: Solve for x
    x = 21,680,883,386.37/169,287.98
  6. Step 6: Final answer
    x = 128,071.01

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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.