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Finding the Fourth Proportional to 146,727, 202,483.26 and 79,659

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Solution

The fourth proportional to 146,727, 202,483.26 and 79,659 is: 109,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727 : 202,483.26 = 79,659 : x
  2. Step 2: Convert to fraction form
    146,727/202,483.26 = 79,659/x
  3. Step 3: Cross multiply
    146,727x = 202,483.26 × 79,659
  4. Step 4: Simplify right side
    146,727x = 16,129,614,008.34
  5. Step 5: Solve for x
    x = 16,129,614,008.34/146,727
  6. Step 6: Final answer
    x = 109,929.42

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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.