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Finding the Fourth Proportional to 107,398.84, 161,036.52 and 44,262.56

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Solution

The fourth proportional to 107,398.84, 161,036.52 and 44,262.56 is: 66,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,398.84 : 161,036.52 = 44,262.56 : x
  2. Step 2: Convert to fraction form
    107,398.84/161,036.52 = 44,262.56/x
  3. Step 3: Cross multiply
    107,398.84x = 161,036.52 × 44,262.56
  4. Step 4: Simplify right side
    107,398.84x = 7,127,888,628.69
  5. Step 5: Solve for x
    x = 7,127,888,628.69/107,398.84
  6. Step 6: Final answer
    x = 66,368.39

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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.