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Finding the Fourth Proportional to 267,386.61, 400,810.03 and 167,616.87

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Solution

The fourth proportional to 267,386.61, 400,810.03 and 167,616.87 is: 251,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.61 : 400,810.03 = 167,616.87 : x
  2. Step 2: Convert to fraction form
    267,386.61/400,810.03 = 167,616.87/x
  3. Step 3: Cross multiply
    267,386.61x = 400,810.03 × 167,616.87
  4. Step 4: Simplify right side
    267,386.61x = 67,182,522,693.21
  5. Step 5: Solve for x
    x = 67,182,522,693.21/267,386.61
  6. Step 6: Final answer
    x = 251,256.12

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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.