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Finding the Fourth Proportional to 150,364.83, 225,476.61 and 87,202.90

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Solution

The fourth proportional to 150,364.83, 225,476.61 and 87,202.90 is: 130,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,364.83 : 225,476.61 = 87,202.90 : x
  2. Step 2: Convert to fraction form
    150,364.83/225,476.61 = 87,202.90/x
  3. Step 3: Cross multiply
    150,364.83x = 225,476.61 × 87,202.90
  4. Step 4: Simplify right side
    150,364.83x = 19,662,214,274.17
  5. Step 5: Solve for x
    x = 19,662,214,274.17/150,364.83
  6. Step 6: Final answer
    x = 130,763.39

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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.