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Finding the Fourth Proportional to 232,733.80, 349,100.70 and 209,114.20

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Solution

The fourth proportional to 232,733.80, 349,100.70 and 209,114.20 is: 313,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,733.80 : 349,100.70 = 209,114.20 : x
  2. Step 2: Convert to fraction form
    232,733.80/349,100.70 = 209,114.20/x
  3. Step 3: Cross multiply
    232,733.80x = 349,100.70 × 209,114.20
  4. Step 4: Simplify right side
    232,733.80x = 73,001,913,599.94
  5. Step 5: Solve for x
    x = 73,001,913,599.94/232,733.80
  6. Step 6: Final answer
    x = 313,671.30

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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.