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Finding the Fourth Proportional to 269,998.79, 405,063.78 and 83,010.29

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Solution

The fourth proportional to 269,998.79, 405,063.78 and 83,010.29 is: 124,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,998.79 : 405,063.78 = 83,010.29 : x
  2. Step 2: Convert to fraction form
    269,998.79/405,063.78 = 83,010.29/x
  3. Step 3: Cross multiply
    269,998.79x = 405,063.78 × 83,010.29
  4. Step 4: Simplify right side
    269,998.79x = 33,624,459,820.98
  5. Step 5: Solve for x
    x = 33,624,459,820.98/269,998.79
  6. Step 6: Final answer
    x = 124,535.60

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1.5x scale

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.