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Finding the Fourth Proportional to 95,349.40, 142,980.90 and 36,165.40

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Solution

The fourth proportional to 95,349.40, 142,980.90 and 36,165.40 is: 54,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,349.40 : 142,980.90 = 36,165.40 : x
  2. Step 2: Convert to fraction form
    95,349.40/142,980.90 = 36,165.40/x
  3. Step 3: Cross multiply
    95,349.40x = 142,980.90 × 36,165.40
  4. Step 4: Simplify right side
    95,349.40x = 5,170,961,440.86
  5. Step 5: Solve for x
    x = 5,170,961,440.86/95,349.40
  6. Step 6: Final answer
    x = 54,231.71

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1.5x scale

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.