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Finding the Fourth Proportional to 169,993.12, 234,598.80 and 94,540

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Solution

The fourth proportional to 169,993.12, 234,598.80 and 94,540 is: 130,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,993.12 : 234,598.80 = 94,540 : x
  2. Step 2: Convert to fraction form
    169,993.12/234,598.80 = 94,540/x
  3. Step 3: Cross multiply
    169,993.12x = 234,598.80 × 94,540
  4. Step 4: Simplify right side
    169,993.12x = 22,178,970,552
  5. Step 5: Solve for x
    x = 22,178,970,552/169,993.12
  6. Step 6: Final answer
    x = 130,469.81

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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.