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Finding the Fourth Proportional to 260,717.76, 359,787.36 and 147,537.60

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Solution

The fourth proportional to 260,717.76, 359,787.36 and 147,537.60 is: 203,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,717.76 : 359,787.36 = 147,537.60 : x
  2. Step 2: Convert to fraction form
    260,717.76/359,787.36 = 147,537.60/x
  3. Step 3: Cross multiply
    260,717.76x = 359,787.36 × 147,537.60
  4. Step 4: Simplify right side
    260,717.76x = 53,082,163,604.74
  5. Step 5: Solve for x
    x = 53,082,163,604.74/260,717.76
  6. Step 6: Final answer
    x = 203,600.11

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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.