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Finding the Fourth Proportional to 140,796.81, 211,253.53 and 56,616.60

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Solution

The fourth proportional to 140,796.81, 211,253.53 and 56,616.60 is: 84,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,796.81 : 211,253.53 = 56,616.60 : x
  2. Step 2: Convert to fraction form
    140,796.81/211,253.53 = 56,616.60/x
  3. Step 3: Cross multiply
    140,796.81x = 211,253.53 × 56,616.60
  4. Step 4: Simplify right side
    140,796.81x = 11,960,456,606.60
  5. Step 5: Solve for x
    x = 11,960,456,606.60/140,796.81
  6. Step 6: Final answer
    x = 84,948.35

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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.