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Finding the Fourth Proportional to 110,973.49, 166,476.81 and 40,847.47

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Solution

The fourth proportional to 110,973.49, 166,476.81 and 40,847.47 is: 61,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,973.49 : 166,476.81 = 40,847.47 : x
  2. Step 2: Convert to fraction form
    110,973.49/166,476.81 = 40,847.47/x
  3. Step 3: Cross multiply
    110,973.49x = 166,476.81 × 40,847.47
  4. Step 4: Simplify right side
    110,973.49x = 6,800,156,502.17
  5. Step 5: Solve for x
    x = 6,800,156,502.17/110,973.49
  6. Step 6: Final answer
    x = 61,277.31

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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.