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Finding the Fourth Proportional to 241,345.85, 362,065.95 and 72,879.89

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Solution

The fourth proportional to 241,345.85, 362,065.95 and 72,879.89 is: 109,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,345.85 : 362,065.95 = 72,879.89 : x
  2. Step 2: Convert to fraction form
    241,345.85/362,065.95 = 72,879.89/x
  3. Step 3: Cross multiply
    241,345.85x = 362,065.95 × 72,879.89
  4. Step 4: Simplify right side
    241,345.85x = 26,387,324,798.42
  5. Step 5: Solve for x
    x = 26,387,324,798.42/241,345.85
  6. Step 6: Final answer
    x = 109,334.08

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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.