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Finding the Fourth Proportional to 169,089.12, 233,348.04 and 93,636

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Solution

The fourth proportional to 169,089.12, 233,348.04 and 93,636 is: 129,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,089.12 : 233,348.04 = 93,636 : x
  2. Step 2: Convert to fraction form
    169,089.12/233,348.04 = 93,636/x
  3. Step 3: Cross multiply
    169,089.12x = 233,348.04 × 93,636
  4. Step 4: Simplify right side
    169,089.12x = 21,849,777,073.44
  5. Step 5: Solve for x
    x = 21,849,777,073.44/169,089.12
  6. Step 6: Final answer
    x = 129,220.48

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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.