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Finding the Fourth Proportional to 169,473.60, 233,863.20 and 92,977.20

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Solution

The fourth proportional to 169,473.60, 233,863.20 and 92,977.20 is: 128,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,473.60 : 233,863.20 = 92,977.20 : x
  2. Step 2: Convert to fraction form
    169,473.60/233,863.20 = 92,977.20/x
  3. Step 3: Cross multiply
    169,473.60x = 233,863.20 × 92,977.20
  4. Step 4: Simplify right side
    169,473.60x = 21,743,945,519.04
  5. Step 5: Solve for x
    x = 21,743,945,519.04/169,473.60
  6. Step 6: Final answer
    x = 128,302.85

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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.