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Finding the Fourth Proportional to 269,800.76, 372,328.07 and 148,942.11

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Solution

The fourth proportional to 269,800.76, 372,328.07 and 148,942.11 is: 205,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,800.76 : 372,328.07 = 148,942.11 : x
  2. Step 2: Convert to fraction form
    269,800.76/372,328.07 = 148,942.11/x
  3. Step 3: Cross multiply
    269,800.76x = 372,328.07 × 148,942.11
  4. Step 4: Simplify right side
    269,800.76x = 55,455,327,613.32
  5. Step 5: Solve for x
    x = 55,455,327,613.32/269,800.76
  6. Step 6: Final answer
    x = 205,541.77

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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.