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Finding the Fourth Proportional to 112,635.48, 168,928.74 and 33,728.52

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Solution

The fourth proportional to 112,635.48, 168,928.74 and 33,728.52 is: 50,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,635.48 : 168,928.74 = 33,728.52 : x
  2. Step 2: Convert to fraction form
    112,635.48/168,928.74 = 33,728.52/x
  3. Step 3: Cross multiply
    112,635.48x = 168,928.74 × 33,728.52
  4. Step 4: Simplify right side
    112,635.48x = 5,697,716,385.66
  5. Step 5: Solve for x
    x = 5,697,716,385.66/112,635.48
  6. Step 6: Final answer
    x = 50,585.45

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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.