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Finding the Fourth Proportional to 267,401.04, 401,102.25 and 67,721.45

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Solution

The fourth proportional to 267,401.04, 401,102.25 and 67,721.45 is: 101,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,401.04 : 401,102.25 = 67,721.45 : x
  2. Step 2: Convert to fraction form
    267,401.04/401,102.25 = 67,721.45/x
  3. Step 3: Cross multiply
    267,401.04x = 401,102.25 × 67,721.45
  4. Step 4: Simplify right side
    267,401.04x = 27,163,225,968.26
  5. Step 5: Solve for x
    x = 27,163,225,968.26/267,401.04
  6. Step 6: Final answer
    x = 101,582.35

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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.