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Finding the Fourth Proportional to 245,582.57, 368,373.87 and 68,089.59

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Solution

The fourth proportional to 245,582.57, 368,373.87 and 68,089.59 is: 102,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,582.57 : 368,373.87 = 68,089.59 : x
  2. Step 2: Convert to fraction form
    245,582.57/368,373.87 = 68,089.59/x
  3. Step 3: Cross multiply
    245,582.57x = 368,373.87 × 68,089.59
  4. Step 4: Simplify right side
    245,582.57x = 25,082,424,103.37
  5. Step 5: Solve for x
    x = 25,082,424,103.37/245,582.57
  6. Step 6: Final answer
    x = 102,134.38

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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.