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Finding the Fourth Proportional to 269,802.39, 372,330.31 and 148,943.74

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Solution

The fourth proportional to 269,802.39, 372,330.31 and 148,943.74 is: 205,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,802.39 : 372,330.31 = 148,943.74 : x
  2. Step 2: Convert to fraction form
    269,802.39/372,330.31 = 148,943.74/x
  3. Step 3: Cross multiply
    269,802.39x = 372,330.31 × 148,943.74
  4. Step 4: Simplify right side
    269,802.39x = 55,456,268,886.76
  5. Step 5: Solve for x
    x = 55,456,268,886.76/269,802.39
  6. Step 6: Final answer
    x = 205,544.02

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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.