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Finding the Fourth Proportional to 73,956.34, 110,605.10 and 65,690.02

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Solution

The fourth proportional to 73,956.34, 110,605.10 and 65,690.02 is: 98,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,956.34 : 110,605.10 = 65,690.02 : x
  2. Step 2: Convert to fraction form
    73,956.34/110,605.10 = 65,690.02/x
  3. Step 3: Cross multiply
    73,956.34x = 110,605.10 × 65,690.02
  4. Step 4: Simplify right side
    73,956.34x = 7,265,650,678.08
  5. Step 5: Solve for x
    x = 7,265,650,678.08/73,956.34
  6. Step 6: Final answer
    x = 98,242.44

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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.