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Finding the Fourth Proportional to 56,167,497.80, 84,251,246.70 and 27,432,067.40

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Solution

The fourth proportional to 56,167,497.80, 84,251,246.70 and 27,432,067.40 is: 41,148,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167,497.80 : 84,251,246.70 = 27,432,067.40 : x
  2. Step 2: Convert to fraction form
    56,167,497.80/84,251,246.70 = 27,432,067.40/x
  3. Step 3: Cross multiply
    56,167,497.80x = 84,251,246.70 × 27,432,067.40
  4. Step 4: Simplify right side
    56,167,497.80x = 2,311,185,878,008,427.50
  5. Step 5: Solve for x
    x = 2,311,185,878,008,427.50/56,167,497.80
  6. Step 6: Final answer
    x = 41,148,101.10

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Why These Related Problems?

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