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Finding the Fourth Proportional to 269,808.04, 372,335.64 and 148,949.49

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Solution

The fourth proportional to 269,808.04, 372,335.64 and 148,949.49 is: 205,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,808.04 : 372,335.64 = 148,949.49 : x
  2. Step 2: Convert to fraction form
    269,808.04/372,335.64 = 148,949.49/x
  3. Step 3: Cross multiply
    269,808.04x = 372,335.64 × 148,949.49
  4. Step 4: Simplify right side
    269,808.04x = 55,459,203,686.82
  5. Step 5: Solve for x
    x = 55,459,203,686.82/269,808.04
  6. Step 6: Final answer
    x = 205,550.60

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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.