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Finding the Fourth Proportional to 121,368.96, 182,027.52 and 38,243.52

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Solution

The fourth proportional to 121,368.96, 182,027.52 and 38,243.52 is: 57,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,368.96 : 182,027.52 = 38,243.52 : x
  2. Step 2: Convert to fraction form
    121,368.96/182,027.52 = 38,243.52/x
  3. Step 3: Cross multiply
    121,368.96x = 182,027.52 × 38,243.52
  4. Step 4: Simplify right side
    121,368.96x = 6,961,373,101.67
  5. Step 5: Solve for x
    x = 6,961,373,101.67/121,368.96
  6. Step 6: Final answer
    x = 57,357.11

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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.