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Finding the Fourth Proportional to 245,874.87, 368,715.27 and 119,477.67

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Solution

The fourth proportional to 245,874.87, 368,715.27 and 119,477.67 is: 179,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,874.87 : 368,715.27 = 119,477.67 : x
  2. Step 2: Convert to fraction form
    245,874.87/368,715.27 = 119,477.67/x
  3. Step 3: Cross multiply
    245,874.87x = 368,715.27 × 119,477.67
  4. Step 4: Simplify right side
    245,874.87x = 44,053,241,353.02
  5. Step 5: Solve for x
    x = 44,053,241,353.02/245,874.87
  6. Step 6: Final answer
    x = 179,169.35

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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.