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Finding the Fourth Proportional to 267,351.66, 368,931.24 and 152,625.78

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Solution

The fourth proportional to 267,351.66, 368,931.24 and 152,625.78 is: 210,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,351.66 : 368,931.24 = 152,625.78 : x
  2. Step 2: Convert to fraction form
    267,351.66/368,931.24 = 152,625.78/x
  3. Step 3: Cross multiply
    267,351.66x = 368,931.24 × 152,625.78
  4. Step 4: Simplify right side
    267,351.66x = 56,308,418,271.37
  5. Step 5: Solve for x
    x = 56,308,418,271.37/267,351.66
  6. Step 6: Final answer
    x = 210,615.56

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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.