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Finding the Fourth Proportional to 169,390.32, 233,758.97 and 92,910.03

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Solution

The fourth proportional to 169,390.32, 233,758.97 and 92,910.03 is: 128,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,390.32 : 233,758.97 = 92,910.03 : x
  2. Step 2: Convert to fraction form
    169,390.32/233,758.97 = 92,910.03/x
  3. Step 3: Cross multiply
    169,390.32x = 233,758.97 × 92,910.03
  4. Step 4: Simplify right side
    169,390.32x = 21,718,552,915.47
  5. Step 5: Solve for x
    x = 21,718,552,915.47/169,390.32
  6. Step 6: Final answer
    x = 128,216.02

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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.