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Finding the Fourth Proportional to 167,466.60, 251,199.90 and 42,807.60

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Solution

The fourth proportional to 167,466.60, 251,199.90 and 42,807.60 is: 64,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,466.60 : 251,199.90 = 42,807.60 : x
  2. Step 2: Convert to fraction form
    167,466.60/251,199.90 = 42,807.60/x
  3. Step 3: Cross multiply
    167,466.60x = 251,199.90 × 42,807.60
  4. Step 4: Simplify right side
    167,466.60x = 10,753,264,839.24
  5. Step 5: Solve for x
    x = 10,753,264,839.24/167,466.60
  6. Step 6: Final answer
    x = 64,211.40

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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.