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Finding the Fourth Proportional to 269,804.41, 372,330.63 and 148,945.86

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Solution

The fourth proportional to 269,804.41, 372,330.63 and 148,945.86 is: 205,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,804.41 : 372,330.63 = 148,945.86 : x
  2. Step 2: Convert to fraction form
    269,804.41/372,330.63 = 148,945.86/x
  3. Step 3: Cross multiply
    269,804.41x = 372,330.63 × 148,945.86
  4. Step 4: Simplify right side
    269,804.41x = 55,457,106,448.24
  5. Step 5: Solve for x
    x = 55,457,106,448.24/269,804.41
  6. Step 6: Final answer
    x = 205,545.59

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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.