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Finding the Fourth Proportional to 150,730.80, 225,901.80 and 115,495.80

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Solution

The fourth proportional to 150,730.80, 225,901.80 and 115,495.80 is: 173,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,730.80 : 225,901.80 = 115,495.80 : x
  2. Step 2: Convert to fraction form
    150,730.80/225,901.80 = 115,495.80/x
  3. Step 3: Cross multiply
    150,730.80x = 225,901.80 × 115,495.80
  4. Step 4: Simplify right side
    150,730.80x = 26,090,709,112.44
  5. Step 5: Solve for x
    x = 26,090,709,112.44/150,730.80
  6. Step 6: Final answer
    x = 173,094.74

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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.