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Finding the Fourth Proportional to 84,175.91, 126,263.88 and 56,150.70

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Solution

The fourth proportional to 84,175.91, 126,263.88 and 56,150.70 is: 84,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,175.91 : 126,263.88 = 56,150.70 : x
  2. Step 2: Convert to fraction form
    84,175.91/126,263.88 = 56,150.70/x
  3. Step 3: Cross multiply
    84,175.91x = 126,263.88 × 56,150.70
  4. Step 4: Simplify right side
    84,175.91x = 7,089,805,246.72
  5. Step 5: Solve for x
    x = 7,089,805,246.72/84,175.91
  6. Step 6: Final answer
    x = 84,226.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.