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Finding the Fourth Proportional to 245,522.48, 338,817.66 and 138,092.46

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Solution

The fourth proportional to 245,522.48, 338,817.66 and 138,092.46 is: 190,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,522.48 : 338,817.66 = 138,092.46 : x
  2. Step 2: Convert to fraction form
    245,522.48/338,817.66 = 138,092.46/x
  3. Step 3: Cross multiply
    245,522.48x = 338,817.66 × 138,092.46
  4. Step 4: Simplify right side
    245,522.48x = 46,788,164,160.84
  5. Step 5: Solve for x
    x = 46,788,164,160.84/245,522.48
  6. Step 6: Final answer
    x = 190,565.71

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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.