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Finding the Fourth Proportional to 241,178.82, 361,785.15 and 72,700.54

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Solution

The fourth proportional to 241,178.82, 361,785.15 and 72,700.54 is: 109,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,178.82 : 361,785.15 = 72,700.54 : x
  2. Step 2: Convert to fraction form
    241,178.82/361,785.15 = 72,700.54/x
  3. Step 3: Cross multiply
    241,178.82x = 361,785.15 × 72,700.54
  4. Step 4: Simplify right side
    241,178.82x = 26,301,974,864.52
  5. Step 5: Solve for x
    x = 26,301,974,864.52/241,178.82
  6. Step 6: Final answer
    x = 109,055.91

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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.