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Finding the Fourth Proportional to 435,571.29, 653,333.67 and 136,017.59

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Solution

The fourth proportional to 435,571.29, 653,333.67 and 136,017.59 is: 204,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,571.29 : 653,333.67 = 136,017.59 : x
  2. Step 2: Convert to fraction form
    435,571.29/653,333.67 = 136,017.59/x
  3. Step 3: Cross multiply
    435,571.29x = 653,333.67 × 136,017.59
  4. Step 4: Simplify right side
    435,571.29x = 88,864,867,992.59
  5. Step 5: Solve for x
    x = 88,864,867,992.59/435,571.29
  6. Step 6: Final answer
    x = 204,019.11

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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.