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Finding the Fourth Proportional to 333,737.25, 500,601.33 and 81,019.68

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Solution

The fourth proportional to 333,737.25, 500,601.33 and 81,019.68 is: 121,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,737.25 : 500,601.33 = 81,019.68 : x
  2. Step 2: Convert to fraction form
    333,737.25/500,601.33 = 81,019.68/x
  3. Step 3: Cross multiply
    333,737.25x = 500,601.33 × 81,019.68
  4. Step 4: Simplify right side
    333,737.25x = 40,558,559,564.17
  5. Step 5: Solve for x
    x = 40,558,559,564.17/333,737.25
  6. Step 6: Final answer
    x = 121,528.42

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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.