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Finding the Fourth Proportional to 269,012.16, 371,223.81 and 148,158.54

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Solution

The fourth proportional to 269,012.16, 371,223.81 and 148,158.54 is: 204,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,012.16 : 371,223.81 = 148,158.54 : x
  2. Step 2: Convert to fraction form
    269,012.16/371,223.81 = 148,158.54/x
  3. Step 3: Cross multiply
    269,012.16x = 371,223.81 × 148,158.54
  4. Step 4: Simplify right side
    269,012.16x = 54,999,977,702.84
  5. Step 5: Solve for x
    x = 54,999,977,702.84/269,012.16
  6. Step 6: Final answer
    x = 204,451.64

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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.