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Finding the Fourth Proportional to 169,489.10, 233,894.30 and 93,009.47

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Solution

The fourth proportional to 169,489.10, 233,894.30 and 93,009.47 is: 128,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489.10 : 233,894.30 = 93,009.47 : x
  2. Step 2: Convert to fraction form
    169,489.10/233,894.30 = 93,009.47/x
  3. Step 3: Cross multiply
    169,489.10x = 233,894.30 × 93,009.47
  4. Step 4: Simplify right side
    169,489.10x = 21,754,385,696.28
  5. Step 5: Solve for x
    x = 21,754,385,696.28/169,489.10
  6. Step 6: Final answer
    x = 128,352.71

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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.