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Finding the Fourth Proportional to 179,758, 248,066.04 and 100,270

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Solution

The fourth proportional to 179,758, 248,066.04 and 100,270 is: 138,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,758 : 248,066.04 = 100,270 : x
  2. Step 2: Convert to fraction form
    179,758/248,066.04 = 100,270/x
  3. Step 3: Cross multiply
    179,758x = 248,066.04 × 100,270
  4. Step 4: Simplify right side
    179,758x = 24,873,581,830.80
  5. Step 5: Solve for x
    x = 24,873,581,830.80/179,758
  6. Step 6: Final answer
    x = 138,372.60

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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.