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Finding the Fourth Proportional to 146,762, 202,534.08 and 79,694

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Solution

The fourth proportional to 146,762, 202,534.08 and 79,694 is: 109,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,762 : 202,534.08 = 79,694 : x
  2. Step 2: Convert to fraction form
    146,762/202,534.08 = 79,694/x
  3. Step 3: Cross multiply
    146,762x = 202,534.08 × 79,694
  4. Step 4: Simplify right side
    146,762x = 16,140,750,971.52
  5. Step 5: Solve for x
    x = 16,140,750,971.52/146,762
  6. Step 6: Final answer
    x = 109,979.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.