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Finding the Fourth Proportional to 171,392.76, 236,535.66 and 126,276.84

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Solution

The fourth proportional to 171,392.76, 236,535.66 and 126,276.84 is: 174,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,392.76 : 236,535.66 = 126,276.84 : x
  2. Step 2: Convert to fraction form
    171,392.76/236,535.66 = 126,276.84/x
  3. Step 3: Cross multiply
    171,392.76x = 236,535.66 × 126,276.84
  4. Step 4: Simplify right side
    171,392.76x = 29,868,975,692.11
  5. Step 5: Solve for x
    x = 29,868,975,692.11/171,392.76
  6. Step 6: Final answer
    x = 174,272.10

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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.