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Finding the Fourth Proportional to 112,314, 168,498.84 and 33,428.04

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Solution

The fourth proportional to 112,314, 168,498.84 and 33,428.04 is: 50,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,314 : 168,498.84 = 33,428.04 : x
  2. Step 2: Convert to fraction form
    112,314/168,498.84 = 33,428.04/x
  3. Step 3: Cross multiply
    112,314x = 168,498.84 × 33,428.04
  4. Step 4: Simplify right side
    112,314x = 5,632,585,963.47
  5. Step 5: Solve for x
    x = 5,632,585,963.47/112,314
  6. Step 6: Final answer
    x = 50,150.35

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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.