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Finding the Fourth Proportional to 269,802.60, 372,328.13 and 148,944.05

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Solution

The fourth proportional to 269,802.60, 372,328.13 and 148,944.05 is: 205,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,802.60 : 372,328.13 = 148,944.05 : x
  2. Step 2: Convert to fraction form
    269,802.60/372,328.13 = 148,944.05/x
  3. Step 3: Cross multiply
    269,802.60x = 372,328.13 × 148,944.05
  4. Step 4: Simplify right side
    269,802.60x = 55,456,059,611.13
  5. Step 5: Solve for x
    x = 55,456,059,611.13/269,802.60
  6. Step 6: Final answer
    x = 205,543.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.