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Finding the Fourth Proportional to 169,071.49, 233,315.80 and 93,618.37

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Solution

The fourth proportional to 169,071.49, 233,315.80 and 93,618.37 is: 129,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,071.49 : 233,315.80 = 93,618.37 : x
  2. Step 2: Convert to fraction form
    169,071.49/233,315.80 = 93,618.37/x
  3. Step 3: Cross multiply
    169,071.49x = 233,315.80 × 93,618.37
  4. Step 4: Simplify right side
    169,071.49x = 21,842,644,891.25
  5. Step 5: Solve for x
    x = 21,842,644,891.25/169,071.49
  6. Step 6: Final answer
    x = 129,191.77

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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.