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Finding the Fourth Proportional to 269,660.44, 372,128.88 and 148,802.77

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Solution

The fourth proportional to 269,660.44, 372,128.88 and 148,802.77 is: 205,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660.44 : 372,128.88 = 148,802.77 : x
  2. Step 2: Convert to fraction form
    269,660.44/372,128.88 = 148,802.77/x
  3. Step 3: Cross multiply
    269,660.44x = 372,128.88 × 148,802.77
  4. Step 4: Simplify right side
    269,660.44x = 55,373,808,141.00
  5. Step 5: Solve for x
    x = 55,373,808,141.00/269,660.44
  6. Step 6: Final answer
    x = 205,346.43

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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.