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Finding the Fourth Proportional to 100,555.35, 150,896.60 and 56,211.22

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Solution

The fourth proportional to 100,555.35, 150,896.60 and 56,211.22 is: 84,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,555.35 : 150,896.60 = 56,211.22 : x
  2. Step 2: Convert to fraction form
    100,555.35/150,896.60 = 56,211.22/x
  3. Step 3: Cross multiply
    100,555.35x = 150,896.60 × 56,211.22
  4. Step 4: Simplify right side
    100,555.35x = 8,482,081,979.85
  5. Step 5: Solve for x
    x = 8,482,081,979.85/100,555.35
  6. Step 6: Final answer
    x = 84,352.37

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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.