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Finding the Fourth Proportional to 268,962.37, 371,153.37 and 148,080.70

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Solution

The fourth proportional to 268,962.37, 371,153.37 and 148,080.70 is: 204,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,962.37 : 371,153.37 = 148,080.70 : x
  2. Step 2: Convert to fraction form
    268,962.37/371,153.37 = 148,080.70/x
  3. Step 3: Cross multiply
    268,962.37x = 371,153.37 × 148,080.70
  4. Step 4: Simplify right side
    268,962.37x = 54,960,650,836.96
  5. Step 5: Solve for x
    x = 54,960,650,836.96/268,962.37
  6. Step 6: Final answer
    x = 204,343.27

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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.