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Finding the Fourth Proportional to 169,859.34, 234,408.86 and 93,381.64

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Solution

The fourth proportional to 169,859.34, 234,408.86 and 93,381.64 is: 128,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,859.34 : 234,408.86 = 93,381.64 : x
  2. Step 2: Convert to fraction form
    169,859.34/234,408.86 = 93,381.64/x
  3. Step 3: Cross multiply
    169,859.34x = 234,408.86 × 93,381.64
  4. Step 4: Simplify right side
    169,859.34x = 21,889,483,777.33
  5. Step 5: Solve for x
    x = 21,889,483,777.33/169,859.34
  6. Step 6: Final answer
    x = 128,868.30

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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.