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Finding the Fourth Proportional to 113,857.04, 170,785.20 and 30,751.04

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Solution

The fourth proportional to 113,857.04, 170,785.20 and 30,751.04 is: 46,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,857.04 : 170,785.20 = 30,751.04 : x
  2. Step 2: Convert to fraction form
    113,857.04/170,785.20 = 30,751.04/x
  3. Step 3: Cross multiply
    113,857.04x = 170,785.20 × 30,751.04
  4. Step 4: Simplify right side
    113,857.04x = 5,251,822,516.61
  5. Step 5: Solve for x
    x = 5,251,822,516.61/113,857.04
  6. Step 6: Final answer
    x = 46,126.46

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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.