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Finding the Fourth Proportional to 333,326.99, 500,039.72 and 96,638.92

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Solution

The fourth proportional to 333,326.99, 500,039.72 and 96,638.92 is: 144,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,326.99 : 500,039.72 = 96,638.92 : x
  2. Step 2: Convert to fraction form
    333,326.99/500,039.72 = 96,638.92/x
  3. Step 3: Cross multiply
    333,326.99x = 500,039.72 × 96,638.92
  4. Step 4: Simplify right side
    333,326.99x = 48,323,295,997.70
  5. Step 5: Solve for x
    x = 48,323,295,997.70/333,326.99
  6. Step 6: Final answer
    x = 144,972.65

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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.