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Finding the Fourth Proportional to 169,486.10, 233,890.16 and 93,006.48

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Solution

The fourth proportional to 169,486.10, 233,890.16 and 93,006.48 is: 128,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.10 : 233,890.16 = 93,006.48 : x
  2. Step 2: Convert to fraction form
    169,486.10/233,890.16 = 93,006.48/x
  3. Step 3: Cross multiply
    169,486.10x = 233,890.16 × 93,006.48
  4. Step 4: Simplify right side
    169,486.10x = 21,753,299,846.24
  5. Step 5: Solve for x
    x = 21,753,299,846.24/169,486.10
  6. Step 6: Final answer
    x = 128,348.58

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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.