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Finding the Fourth Proportional to 268,752.60, 370,863.63 and 147,874.23

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Solution

The fourth proportional to 268,752.60, 370,863.63 and 147,874.23 is: 204,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,752.60 : 370,863.63 = 147,874.23 : x
  2. Step 2: Convert to fraction form
    268,752.60/370,863.63 = 147,874.23/x
  3. Step 3: Cross multiply
    268,752.60x = 370,863.63 × 147,874.23
  4. Step 4: Simplify right side
    268,752.60x = 54,841,173,721.25
  5. Step 5: Solve for x
    x = 54,841,173,721.25/268,752.60
  6. Step 6: Final answer
    x = 204,058.21

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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.