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Finding the Fourth Proportional to 101,495.60, 140,061.03 and 56,175.44

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Solution

The fourth proportional to 101,495.60, 140,061.03 and 56,175.44 is: 77,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495.60 : 140,061.03 = 56,175.44 : x
  2. Step 2: Convert to fraction form
    101,495.60/140,061.03 = 56,175.44/x
  3. Step 3: Cross multiply
    101,495.60x = 140,061.03 × 56,175.44
  4. Step 4: Simplify right side
    101,495.60x = 7,867,989,987.10
  5. Step 5: Solve for x
    x = 7,867,989,987.10/101,495.60
  6. Step 6: Final answer
    x = 77,520.50

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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.