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Finding the Fourth Proportional to 112,692.08, 168,976.16 and 37,772.88

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Solution

The fourth proportional to 112,692.08, 168,976.16 and 37,772.88 is: 56,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,692.08 : 168,976.16 = 37,772.88 : x
  2. Step 2: Convert to fraction form
    112,692.08/168,976.16 = 37,772.88/x
  3. Step 3: Cross multiply
    112,692.08x = 168,976.16 × 37,772.88
  4. Step 4: Simplify right side
    112,692.08x = 6,382,716,214.54
  5. Step 5: Solve for x
    x = 6,382,716,214.54/112,692.08
  6. Step 6: Final answer
    x = 56,638.55

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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.