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Finding the Fourth Proportional to 267,351.42, 368,930.90 and 152,625.54

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Solution

The fourth proportional to 267,351.42, 368,930.90 and 152,625.54 is: 210,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,351.42 : 368,930.90 = 152,625.54 : x
  2. Step 2: Convert to fraction form
    267,351.42/368,930.90 = 152,625.54/x
  3. Step 3: Cross multiply
    267,351.42x = 368,930.90 × 152,625.54
  4. Step 4: Simplify right side
    267,351.42x = 56,308,277,835.19
  5. Step 5: Solve for x
    x = 56,308,277,835.19/267,351.42
  6. Step 6: Final answer
    x = 210,615.22

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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.