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Finding the Fourth Proportional to 211,016, 316,524 and 63,272

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Solution

The fourth proportional to 211,016, 316,524 and 63,272 is: 94,908

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,016 : 316,524 = 63,272 : x
  2. Step 2: Convert to fraction form
    211,016/316,524 = 63,272/x
  3. Step 3: Cross multiply
    211,016x = 316,524 × 63,272
  4. Step 4: Simplify right side
    211,016x = 20,027,106,528
  5. Step 5: Solve for x
    x = 20,027,106,528/211,016
  6. Step 6: Final answer
    x = 94,908

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.