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Finding the Fourth Proportional to 268,585.37, 402,792.49 and 88,637.31

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Solution

The fourth proportional to 268,585.37, 402,792.49 and 88,637.31 is: 132,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,585.37 : 402,792.49 = 88,637.31 : x
  2. Step 2: Convert to fraction form
    268,585.37/402,792.49 = 88,637.31/x
  3. Step 3: Cross multiply
    268,585.37x = 402,792.49 × 88,637.31
  4. Step 4: Simplify right side
    268,585.37x = 35,702,442,801.80
  5. Step 5: Solve for x
    x = 35,702,442,801.80/268,585.37
  6. Step 6: Final answer
    x = 132,927.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.