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Finding the Fourth Proportional to 302,055.75, 453,086.39 and 91,693.69

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Solution

The fourth proportional to 302,055.75, 453,086.39 and 91,693.69 is: 137,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,055.75 : 453,086.39 = 91,693.69 : x
  2. Step 2: Convert to fraction form
    302,055.75/453,086.39 = 91,693.69/x
  3. Step 3: Cross multiply
    302,055.75x = 453,086.39 × 91,693.69
  4. Step 4: Simplify right side
    302,055.75x = 41,545,162,084.40
  5. Step 5: Solve for x
    x = 41,545,162,084.40/302,055.75
  6. Step 6: Final answer
    x = 137,541.37

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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.