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Finding the Fourth Proportional to 73,542, 110,173.68 and 43,466.16

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Solution

The fourth proportional to 73,542, 110,173.68 and 43,466.16 is: 65,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,542 : 110,173.68 = 43,466.16 : x
  2. Step 2: Convert to fraction form
    73,542/110,173.68 = 43,466.16/x
  3. Step 3: Cross multiply
    73,542x = 110,173.68 × 43,466.16
  4. Step 4: Simplify right side
    73,542x = 4,788,826,802.67
  5. Step 5: Solve for x
    x = 4,788,826,802.67/73,542
  6. Step 6: Final answer
    x = 65,116.90

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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.