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Finding the Fourth Proportional to 333,735.75, 500,599.08 and 81,018.18

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Solution

The fourth proportional to 333,735.75, 500,599.08 and 81,018.18 is: 121,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,735.75 : 500,599.08 = 81,018.18 : x
  2. Step 2: Convert to fraction form
    333,735.75/500,599.08 = 81,018.18/x
  3. Step 3: Cross multiply
    333,735.75x = 500,599.08 × 81,018.18
  4. Step 4: Simplify right side
    333,735.75x = 40,557,626,371.27
  5. Step 5: Solve for x
    x = 40,557,626,371.27/333,735.75
  6. Step 6: Final answer
    x = 121,526.17

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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.