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Finding the Fourth Proportional to 269,804.60, 372,330.89 and 148,946.05

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Solution

The fourth proportional to 269,804.60, 372,330.89 and 148,946.05 is: 205,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,804.60 : 372,330.89 = 148,946.05 : x
  2. Step 2: Convert to fraction form
    269,804.60/372,330.89 = 148,946.05/x
  3. Step 3: Cross multiply
    269,804.60x = 372,330.89 × 148,946.05
  4. Step 4: Simplify right side
    269,804.60x = 55,457,215,358.48
  5. Step 5: Solve for x
    x = 55,457,215,358.48/269,804.60
  6. Step 6: Final answer
    x = 205,545.85

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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.