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Finding the Fourth Proportional to 441,188.94, 661,674.06 and 125,648.58

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Solution

The fourth proportional to 441,188.94, 661,674.06 and 125,648.58 is: 188,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,188.94 : 661,674.06 = 125,648.58 : x
  2. Step 2: Convert to fraction form
    441,188.94/661,674.06 = 125,648.58/x
  3. Step 3: Cross multiply
    441,188.94x = 661,674.06 × 125,648.58
  4. Step 4: Simplify right side
    441,188.94x = 83,138,406,061.83
  5. Step 5: Solve for x
    x = 83,138,406,061.83/441,188.94
  6. Step 6: Final answer
    x = 188,441.73

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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.