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Finding the Fourth Proportional to 245,011.92, 367,025.80 and 111,708.81

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Solution

The fourth proportional to 245,011.92, 367,025.80 and 111,708.81 is: 167,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,011.92 : 367,025.80 = 111,708.81 : x
  2. Step 2: Convert to fraction form
    245,011.92/367,025.80 = 111,708.81/x
  3. Step 3: Cross multiply
    245,011.92x = 367,025.80 × 111,708.81
  4. Step 4: Simplify right side
    245,011.92x = 41,000,013,522.17
  5. Step 5: Solve for x
    x = 41,000,013,522.17/245,011.92
  6. Step 6: Final answer
    x = 167,338.85

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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.