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Finding the Fourth Proportional to 302,246.85, 453,395.66 and 91,886.61

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Solution

The fourth proportional to 302,246.85, 453,395.66 and 91,886.61 is: 137,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,246.85 : 453,395.66 = 91,886.61 : x
  2. Step 2: Convert to fraction form
    302,246.85/453,395.66 = 91,886.61/x
  3. Step 3: Cross multiply
    302,246.85x = 453,395.66 × 91,886.61
  4. Step 4: Simplify right side
    302,246.85x = 41,660,989,726.68
  5. Step 5: Solve for x
    x = 41,660,989,726.68/302,246.85
  6. Step 6: Final answer
    x = 137,837.63

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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.