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Finding the Fourth Proportional to 141,399.66, 212,101.17 and 36,215.82

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Solution

The fourth proportional to 141,399.66, 212,101.17 and 36,215.82 is: 54,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,399.66 : 212,101.17 = 36,215.82 : x
  2. Step 2: Convert to fraction form
    141,399.66/212,101.17 = 36,215.82/x
  3. Step 3: Cross multiply
    141,399.66x = 212,101.17 × 36,215.82
  4. Step 4: Simplify right side
    141,399.66x = 7,681,417,794.51
  5. Step 5: Solve for x
    x = 7,681,417,794.51/141,399.66
  6. Step 6: Final answer
    x = 54,324.16

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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.