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Finding the Fourth Proportional to 239,667.48, 330,742.31 and 132,237.59

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Solution

The fourth proportional to 239,667.48, 330,742.31 and 132,237.59 is: 182,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,667.48 : 330,742.31 = 132,237.59 : x
  2. Step 2: Convert to fraction form
    239,667.48/330,742.31 = 132,237.59/x
  3. Step 3: Cross multiply
    239,667.48x = 330,742.31 × 132,237.59
  4. Step 4: Simplify right side
    239,667.48x = 43,736,563,670.53
  5. Step 5: Solve for x
    x = 43,736,563,670.53/239,667.48
  6. Step 6: Final answer
    x = 182,488.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.