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Finding the Fourth Proportional to 201,151.20, 301,726.80 and 60,909.83

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Solution

The fourth proportional to 201,151.20, 301,726.80 and 60,909.83 is: 91,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,151.20 : 301,726.80 = 60,909.83 : x
  2. Step 2: Convert to fraction form
    201,151.20/301,726.80 = 60,909.83/x
  3. Step 3: Cross multiply
    201,151.20x = 301,726.80 × 60,909.83
  4. Step 4: Simplify right side
    201,151.20x = 18,378,126,585.81
  5. Step 5: Solve for x
    x = 18,378,126,585.81/201,151.20
  6. Step 6: Final answer
    x = 91,364.74

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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.