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Finding the Fourth Proportional to 268,879.94, 371,052.29 and 148,023.28

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Solution

The fourth proportional to 268,879.94, 371,052.29 and 148,023.28 is: 204,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,879.94 : 371,052.29 = 148,023.28 : x
  2. Step 2: Convert to fraction form
    268,879.94/371,052.29 = 148,023.28/x
  3. Step 3: Cross multiply
    268,879.94x = 371,052.29 × 148,023.28
  4. Step 4: Simplify right side
    268,879.94x = 54,924,377,851.18
  5. Step 5: Solve for x
    x = 54,924,377,851.18/268,879.94
  6. Step 6: Final answer
    x = 204,271.01

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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.