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Finding the Fourth Proportional to 140,791.95, 211,171.53 and 56,548.71

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Solution

The fourth proportional to 140,791.95, 211,171.53 and 56,548.71 is: 84,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,791.95 : 211,171.53 = 56,548.71 : x
  2. Step 2: Convert to fraction form
    140,791.95/211,171.53 = 56,548.71/x
  3. Step 3: Cross multiply
    140,791.95x = 211,171.53 × 56,548.71
  4. Step 4: Simplify right side
    140,791.95x = 11,941,477,610.23
  5. Step 5: Solve for x
    x = 11,941,477,610.23/140,791.95
  6. Step 6: Final answer
    x = 84,816.48

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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.