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Finding the Fourth Proportional to 169,116.20, 233,380.20 and 93,664.64

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Solution

The fourth proportional to 169,116.20, 233,380.20 and 93,664.64 is: 129,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,116.20 : 233,380.20 = 93,664.64 : x
  2. Step 2: Convert to fraction form
    169,116.20/233,380.20 = 93,664.64/x
  3. Step 3: Cross multiply
    169,116.20x = 233,380.20 × 93,664.64
  4. Step 4: Simplify right side
    169,116.20x = 21,859,472,416.13
  5. Step 5: Solve for x
    x = 21,859,472,416.13/169,116.20
  6. Step 6: Final answer
    x = 129,257.12

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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.