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Finding the Fourth Proportional to 302,255.25, 453,366.47 and 91,876.78

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Solution

The fourth proportional to 302,255.25, 453,366.47 and 91,876.78 is: 137,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,255.25 : 453,366.47 = 91,876.78 : x
  2. Step 2: Convert to fraction form
    302,255.25/453,366.47 = 91,876.78/x
  3. Step 3: Cross multiply
    302,255.25x = 453,366.47 × 91,876.78
  4. Step 4: Simplify right side
    302,255.25x = 41,653,851,703.16
  5. Step 5: Solve for x
    x = 41,653,851,703.16/302,255.25
  6. Step 6: Final answer
    x = 137,810.19

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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.