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Finding the Fourth Proportional to 265,680.26, 398,607.88 and 107,866.34

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Solution

The fourth proportional to 265,680.26, 398,607.88 and 107,866.34 is: 161,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,680.26 : 398,607.88 = 107,866.34 : x
  2. Step 2: Convert to fraction form
    265,680.26/398,607.88 = 107,866.34/x
  3. Step 3: Cross multiply
    265,680.26x = 398,607.88 × 107,866.34
  4. Step 4: Simplify right side
    265,680.26x = 42,996,373,110.76
  5. Step 5: Solve for x
    x = 42,996,373,110.76/265,680.26
  6. Step 6: Final answer
    x = 161,835.03

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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.