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Finding the Fourth Proportional to 146,396.11, 202,024.95 and 79,328.11

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Solution

The fourth proportional to 146,396.11, 202,024.95 and 79,328.11 is: 109,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,396.11 : 202,024.95 = 79,328.11 : x
  2. Step 2: Convert to fraction form
    146,396.11/202,024.95 = 79,328.11/x
  3. Step 3: Cross multiply
    146,396.11x = 202,024.95 × 79,328.11
  4. Step 4: Simplify right side
    146,396.11x = 16,026,257,456.34
  5. Step 5: Solve for x
    x = 16,026,257,456.34/146,396.11
  6. Step 6: Final answer
    x = 109,471.88

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1.5x scale

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.