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Finding the Fourth Proportional to 416,623.69, 624,967.93 and 136,169.29

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Solution

The fourth proportional to 416,623.69, 624,967.93 and 136,169.29 is: 204,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,623.69 : 624,967.93 = 136,169.29 : x
  2. Step 2: Convert to fraction form
    416,623.69/624,967.93 = 136,169.29/x
  3. Step 3: Cross multiply
    416,623.69x = 624,967.93 × 136,169.29
  4. Step 4: Simplify right side
    416,623.69x = 85,101,439,300.87
  5. Step 5: Solve for x
    x = 85,101,439,300.87/416,623.69
  6. Step 6: Final answer
    x = 204,264.52

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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.