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Finding the Fourth Proportional to 562,062.85, 843,138.29 and 162,709.63

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Solution

The fourth proportional to 562,062.85, 843,138.29 and 162,709.63 is: 244,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,062.85 : 843,138.29 = 162,709.63 : x
  2. Step 2: Convert to fraction form
    562,062.85/843,138.29 = 162,709.63/x
  3. Step 3: Cross multiply
    562,062.85x = 843,138.29 × 162,709.63
  4. Step 4: Simplify right side
    562,062.85x = 137,186,719,204.73
  5. Step 5: Solve for x
    x = 137,186,719,204.73/562,062.85
  6. Step 6: Final answer
    x = 244,077.19

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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.