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Finding the Fourth Proportional to 124,592.86, 186,697.94 and 84,559.84

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Solution

The fourth proportional to 124,592.86, 186,697.94 and 84,559.84 is: 126,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,592.86 : 186,697.94 = 84,559.84 : x
  2. Step 2: Convert to fraction form
    124,592.86/186,697.94 = 84,559.84/x
  3. Step 3: Cross multiply
    124,592.86x = 186,697.94 × 84,559.84
  4. Step 4: Simplify right side
    124,592.86x = 15,787,147,934.73
  5. Step 5: Solve for x
    x = 15,787,147,934.73/124,592.86
  6. Step 6: Final answer
    x = 126,709.89

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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.