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Finding the Fourth Proportional to 92,063.52, 138,113.10 and 35,901.36

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Solution

The fourth proportional to 92,063.52, 138,113.10 and 35,901.36 is: 53,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,063.52 : 138,113.10 = 35,901.36 : x
  2. Step 2: Convert to fraction form
    92,063.52/138,113.10 = 35,901.36/x
  3. Step 3: Cross multiply
    92,063.52x = 138,113.10 × 35,901.36
  4. Step 4: Simplify right side
    92,063.52x = 4,958,448,123.82
  5. Step 5: Solve for x
    x = 4,958,448,123.82/92,063.52
  6. Step 6: Final answer
    x = 53,858.99

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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.