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Finding the Fourth Proportional to 169,115.70, 233,379.18 and 93,664.20

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Solution

The fourth proportional to 169,115.70, 233,379.18 and 93,664.20 is: 129,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,115.70 : 233,379.18 = 93,664.20 : x
  2. Step 2: Convert to fraction form
    169,115.70/233,379.18 = 93,664.20/x
  3. Step 3: Cross multiply
    169,115.70x = 233,379.18 × 93,664.20
  4. Step 4: Simplify right side
    169,115.70x = 21,859,274,191.36
  5. Step 5: Solve for x
    x = 21,859,274,191.36/169,115.70
  6. Step 6: Final answer
    x = 129,256.33

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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.