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Finding the Fourth Proportional to 84,599.52, 126,932.09 and 34,703.12

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Solution

The fourth proportional to 84,599.52, 126,932.09 and 34,703.12 is: 52,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,599.52 : 126,932.09 = 34,703.12 : x
  2. Step 2: Convert to fraction form
    84,599.52/126,932.09 = 34,703.12/x
  3. Step 3: Cross multiply
    84,599.52x = 126,932.09 × 34,703.12
  4. Step 4: Simplify right side
    84,599.52x = 4,404,938,742.94
  5. Step 5: Solve for x
    x = 4,404,938,742.94/84,599.52
  6. Step 6: Final answer
    x = 52,068.13

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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.