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Finding the Fourth Proportional to 110,703.96, 166,058.47 and 39,631.46

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Solution

The fourth proportional to 110,703.96, 166,058.47 and 39,631.46 is: 59,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,703.96 : 166,058.47 = 39,631.46 : x
  2. Step 2: Convert to fraction form
    110,703.96/166,058.47 = 39,631.46/x
  3. Step 3: Cross multiply
    110,703.96x = 166,058.47 × 39,631.46
  4. Step 4: Simplify right side
    110,703.96x = 6,581,138,830.71
  5. Step 5: Solve for x
    x = 6,581,138,830.71/110,703.96
  6. Step 6: Final answer
    x = 59,448.09

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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.