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Finding the Fourth Proportional to 265,168.47, 397,802.22 and 87,800.34

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Solution

The fourth proportional to 265,168.47, 397,802.22 and 87,800.34 is: 131,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,168.47 : 397,802.22 = 87,800.34 : x
  2. Step 2: Convert to fraction form
    265,168.47/397,802.22 = 87,800.34/x
  3. Step 3: Cross multiply
    265,168.47x = 397,802.22 × 87,800.34
  4. Step 4: Simplify right side
    265,168.47x = 34,927,170,168.75
  5. Step 5: Solve for x
    x = 34,927,170,168.75/265,168.47
  6. Step 6: Final answer
    x = 131,716.90

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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.