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Finding the Fourth Proportional to 171,077.44, 236,103.20 and 99,451.20

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Solution

The fourth proportional to 171,077.44, 236,103.20 and 99,451.20 is: 137,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,077.44 : 236,103.20 = 99,451.20 : x
  2. Step 2: Convert to fraction form
    171,077.44/236,103.20 = 99,451.20/x
  3. Step 3: Cross multiply
    171,077.44x = 236,103.20 × 99,451.20
  4. Step 4: Simplify right side
    171,077.44x = 23,480,746,563.84
  5. Step 5: Solve for x
    x = 23,480,746,563.84/171,077.44
  6. Step 6: Final answer
    x = 137,252.15

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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.