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Finding the Fourth Proportional to 245,318.63, 367,977.94 and 65,404.61

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Solution

The fourth proportional to 245,318.63, 367,977.94 and 65,404.61 is: 98,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,318.63 : 367,977.94 = 65,404.61 : x
  2. Step 2: Convert to fraction form
    245,318.63/367,977.94 = 65,404.61/x
  3. Step 3: Cross multiply
    245,318.63x = 367,977.94 × 65,404.61
  4. Step 4: Simplify right side
    245,318.63x = 24,067,455,100.70
  5. Step 5: Solve for x
    x = 24,067,455,100.70/245,318.63
  6. Step 6: Final answer
    x = 98,106.92

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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.