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Finding the Fourth Proportional to 267,051.20, 400,058.40 and 148,510.40

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Solution

The fourth proportional to 267,051.20, 400,058.40 and 148,510.40 is: 222,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,051.20 : 400,058.40 = 148,510.40 : x
  2. Step 2: Convert to fraction form
    267,051.20/400,058.40 = 148,510.40/x
  3. Step 3: Cross multiply
    267,051.20x = 400,058.40 × 148,510.40
  4. Step 4: Simplify right side
    267,051.20x = 59,412,833,007.36
  5. Step 5: Solve for x
    x = 59,412,833,007.36/267,051.20
  6. Step 6: Final answer
    x = 222,477.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.