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Finding the Fourth Proportional to 562,179.60, 843,269.74 and 141,455.48

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Solution

The fourth proportional to 562,179.60, 843,269.74 and 141,455.48 is: 212,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,179.60 : 843,269.74 = 141,455.48 : x
  2. Step 2: Convert to fraction form
    562,179.60/843,269.74 = 141,455.48/x
  3. Step 3: Cross multiply
    562,179.60x = 843,269.74 × 141,455.48
  4. Step 4: Simplify right side
    562,179.60x = 119,285,125,841.18
  5. Step 5: Solve for x
    x = 119,285,125,841.18/562,179.60
  6. Step 6: Final answer
    x = 212,183.31

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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.