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Finding the Fourth Proportional to 64,744.60, 97,116.90 and 44,008.60

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Solution

The fourth proportional to 64,744.60, 97,116.90 and 44,008.60 is: 66,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,744.60 : 97,116.90 = 44,008.60 : x
  2. Step 2: Convert to fraction form
    64,744.60/97,116.90 = 44,008.60/x
  3. Step 3: Cross multiply
    64,744.60x = 97,116.90 × 44,008.60
  4. Step 4: Simplify right side
    64,744.60x = 4,273,978,805.34
  5. Step 5: Solve for x
    x = 4,273,978,805.34/64,744.60
  6. Step 6: Final answer
    x = 66,012.90

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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.