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Finding the Fourth Proportional to 232,214.70, 348,650.10 and 143,641.20

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Solution

The fourth proportional to 232,214.70, 348,650.10 and 143,641.20 is: 215,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,214.70 : 348,650.10 = 143,641.20 : x
  2. Step 2: Convert to fraction form
    232,214.70/348,650.10 = 143,641.20/x
  3. Step 3: Cross multiply
    232,214.70x = 348,650.10 × 143,641.20
  4. Step 4: Simplify right side
    232,214.70x = 50,080,518,744.12
  5. Step 5: Solve for x
    x = 50,080,518,744.12/232,214.70
  6. Step 6: Final answer
    x = 215,664.72

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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.