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Finding the Fourth Proportional to 228,551.80, 315,296.78 and 148,005.26

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Solution

The fourth proportional to 228,551.80, 315,296.78 and 148,005.26 is: 204,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,551.80 : 315,296.78 = 148,005.26 : x
  2. Step 2: Convert to fraction form
    228,551.80/315,296.78 = 148,005.26/x
  3. Step 3: Cross multiply
    228,551.80x = 315,296.78 × 148,005.26
  4. Step 4: Simplify right side
    228,551.80x = 46,665,581,901.06
  5. Step 5: Solve for x
    x = 46,665,581,901.06/228,551.80
  6. Step 6: Final answer
    x = 204,179.45

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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.