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Finding the Fourth Proportional to 112,574.80, 168,840.60 and 33,691.60

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Solution

The fourth proportional to 112,574.80, 168,840.60 and 33,691.60 is: 50,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,574.80 : 168,840.60 = 33,691.60 : x
  2. Step 2: Convert to fraction form
    112,574.80/168,840.60 = 33,691.60/x
  3. Step 3: Cross multiply
    112,574.80x = 168,840.60 × 33,691.60
  4. Step 4: Simplify right side
    112,574.80x = 5,688,509,958.96
  5. Step 5: Solve for x
    x = 5,688,509,958.96/112,574.80
  6. Step 6: Final answer
    x = 50,530.94

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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.