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Finding the Fourth Proportional to 302,103.66, 453,126.06 and 91,743.42

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Solution

The fourth proportional to 302,103.66, 453,126.06 and 91,743.42 is: 137,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,103.66 : 453,126.06 = 91,743.42 : x
  2. Step 2: Convert to fraction form
    302,103.66/453,126.06 = 91,743.42/x
  3. Step 3: Cross multiply
    302,103.66x = 453,126.06 × 91,743.42
  4. Step 4: Simplify right side
    302,103.66x = 41,571,334,435.53
  5. Step 5: Solve for x
    x = 41,571,334,435.53/302,103.66
  6. Step 6: Final answer
    x = 137,606.19

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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.