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Finding the Fourth Proportional to 124,491.84, 186,662.24 and 49,623.36

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Solution

The fourth proportional to 124,491.84, 186,662.24 and 49,623.36 is: 74,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,491.84 : 186,662.24 = 49,623.36 : x
  2. Step 2: Convert to fraction form
    124,491.84/186,662.24 = 49,623.36/x
  3. Step 3: Cross multiply
    124,491.84x = 186,662.24 × 49,623.36
  4. Step 4: Simplify right side
    124,491.84x = 9,262,807,533.93
  5. Step 5: Solve for x
    x = 9,262,807,533.93/124,491.84
  6. Step 6: Final answer
    x = 74,404.94

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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.