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Finding the Fourth Proportional to 302,073.57, 453,081.06 and 91,713.33

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Solution

The fourth proportional to 302,073.57, 453,081.06 and 91,713.33 is: 137,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,073.57 : 453,081.06 = 91,713.33 : x
  2. Step 2: Convert to fraction form
    302,073.57/453,081.06 = 91,713.33/x
  3. Step 3: Cross multiply
    302,073.57x = 453,081.06 × 91,713.33
  4. Step 4: Simplify right side
    302,073.57x = 41,553,572,772.53
  5. Step 5: Solve for x
    x = 41,553,572,772.53/302,073.57
  6. Step 6: Final answer
    x = 137,561.10

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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.