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Finding the Fourth Proportional to 245,009.61, 367,539.83 and 67,516.64

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Solution

The fourth proportional to 245,009.61, 367,539.83 and 67,516.64 is: 101,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,009.61 : 367,539.83 = 67,516.64 : x
  2. Step 2: Convert to fraction form
    245,009.61/367,539.83 = 67,516.64/x
  3. Step 3: Cross multiply
    245,009.61x = 367,539.83 × 67,516.64
  4. Step 4: Simplify right side
    245,009.61x = 24,815,053,843.95
  5. Step 5: Solve for x
    x = 24,815,053,843.95/245,009.61
  6. Step 6: Final answer
    x = 101,281.96

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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.