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Finding the Fourth Proportional to 265,055.34, 397,581.15 and 107,281.52

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Solution

The fourth proportional to 265,055.34, 397,581.15 and 107,281.52 is: 160,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,055.34 : 397,581.15 = 107,281.52 : x
  2. Step 2: Convert to fraction form
    265,055.34/397,581.15 = 107,281.52/x
  3. Step 3: Cross multiply
    265,055.34x = 397,581.15 × 107,281.52
  4. Step 4: Simplify right side
    265,055.34x = 42,653,108,107.44
  5. Step 5: Solve for x
    x = 42,653,108,107.44/265,055.34
  6. Step 6: Final answer
    x = 160,921.52

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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.