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Finding the Fourth Proportional to 169,520.70, 233,880.49 and 96,871.39

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Solution

The fourth proportional to 169,520.70, 233,880.49 and 96,871.39 is: 133,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,520.70 : 233,880.49 = 96,871.39 : x
  2. Step 2: Convert to fraction form
    169,520.70/233,880.49 = 96,871.39/x
  3. Step 3: Cross multiply
    169,520.70x = 233,880.49 × 96,871.39
  4. Step 4: Simplify right side
    169,520.70x = 22,656,328,160.18
  5. Step 5: Solve for x
    x = 22,656,328,160.18/169,520.70
  6. Step 6: Final answer
    x = 133,649.33

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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.