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Finding the Fourth Proportional to 77,394.74, 116,018.05 and 49,227.53

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Solution

The fourth proportional to 77,394.74, 116,018.05 and 49,227.53 is: 73,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,394.74 : 116,018.05 = 49,227.53 : x
  2. Step 2: Convert to fraction form
    77,394.74/116,018.05 = 49,227.53/x
  3. Step 3: Cross multiply
    77,394.74x = 116,018.05 × 49,227.53
  4. Step 4: Simplify right side
    77,394.74x = 5,711,282,036.92
  5. Step 5: Solve for x
    x = 5,711,282,036.92/77,394.74
  6. Step 6: Final answer
    x = 73,794.19

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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.