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Finding the Fourth Proportional to 121,750.59, 182,667.39 and 65,596.47

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Solution

The fourth proportional to 121,750.59, 182,667.39 and 65,596.47 is: 98,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,750.59 : 182,667.39 = 65,596.47 : x
  2. Step 2: Convert to fraction form
    121,750.59/182,667.39 = 65,596.47/x
  3. Step 3: Cross multiply
    121,750.59x = 182,667.39 × 65,596.47
  4. Step 4: Simplify right side
    121,750.59x = 11,982,335,968.11
  5. Step 5: Solve for x
    x = 11,982,335,968.11/121,750.59
  6. Step 6: Final answer
    x = 98,417.07

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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.