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Finding the Fourth Proportional to 112,273.16, 168,409.10 and 28,033.16

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Solution

The fourth proportional to 112,273.16, 168,409.10 and 28,033.16 is: 42,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,273.16 : 168,409.10 = 28,033.16 : x
  2. Step 2: Convert to fraction form
    112,273.16/168,409.10 = 28,033.16/x
  3. Step 3: Cross multiply
    112,273.16x = 168,409.10 × 28,033.16
  4. Step 4: Simplify right side
    112,273.16x = 4,721,039,245.76
  5. Step 5: Solve for x
    x = 4,721,039,245.76/112,273.16
  6. Step 6: Final answer
    x = 42,049.58

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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.