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Finding the Fourth Proportional to 111,345.30, 166,823.55 and 95,793.30

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Solution

The fourth proportional to 111,345.30, 166,823.55 and 95,793.30 is: 143,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,345.30 : 166,823.55 = 95,793.30 : x
  2. Step 2: Convert to fraction form
    111,345.30/166,823.55 = 95,793.30/x
  3. Step 3: Cross multiply
    111,345.30x = 166,823.55 × 95,793.30
  4. Step 4: Simplify right side
    111,345.30x = 15,980,578,372.22
  5. Step 5: Solve for x
    x = 15,980,578,372.22/111,345.30
  6. Step 6: Final answer
    x = 143,522.70

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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.