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Finding the Fourth Proportional to 267,642, 369,345.96 and 148,410

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Solution

The fourth proportional to 267,642, 369,345.96 and 148,410 is: 204,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,642 : 369,345.96 = 148,410 : x
  2. Step 2: Convert to fraction form
    267,642/369,345.96 = 148,410/x
  3. Step 3: Cross multiply
    267,642x = 369,345.96 × 148,410
  4. Step 4: Simplify right side
    267,642x = 54,814,633,923.60
  5. Step 5: Solve for x
    x = 54,814,633,923.60/267,642
  6. Step 6: Final answer
    x = 204,805.80

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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.