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Finding the Fourth Proportional to 279,462, 385,754.76 and 166,282.32

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Solution

The fourth proportional to 279,462, 385,754.76 and 166,282.32 is: 229,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,462 : 385,754.76 = 166,282.32 : x
  2. Step 2: Convert to fraction form
    279,462/385,754.76 = 166,282.32/x
  3. Step 3: Cross multiply
    279,462x = 385,754.76 × 166,282.32
  4. Step 4: Simplify right side
    279,462x = 64,144,196,443.84
  5. Step 5: Solve for x
    x = 64,144,196,443.84/279,462
  6. Step 6: Final answer
    x = 229,527.44

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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.