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Finding the Fourth Proportional to 245,348.89, 338,838.47 and 169,066.33

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Solution

The fourth proportional to 245,348.89, 338,838.47 and 169,066.33 is: 233,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,348.89 : 338,838.47 = 169,066.33 : x
  2. Step 2: Convert to fraction form
    245,348.89/338,838.47 = 169,066.33/x
  3. Step 3: Cross multiply
    245,348.89x = 338,838.47 × 169,066.33
  4. Step 4: Simplify right side
    245,348.89x = 57,286,175,740.38
  5. Step 5: Solve for x
    x = 57,286,175,740.38/245,348.89
  6. Step 6: Final answer
    x = 233,488.63

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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.