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Finding the Fourth Proportional to 241,385.08, 361,936.45 and 72,854.86

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Solution

The fourth proportional to 241,385.08, 361,936.45 and 72,854.86 is: 109,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,385.08 : 361,936.45 = 72,854.86 : x
  2. Step 2: Convert to fraction form
    241,385.08/361,936.45 = 72,854.86/x
  3. Step 3: Cross multiply
    241,385.08x = 361,936.45 × 72,854.86
  4. Step 4: Simplify right side
    241,385.08x = 26,368,829,393.65
  5. Step 5: Solve for x
    x = 26,368,829,393.65/241,385.08
  6. Step 6: Final answer
    x = 109,239.68

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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.