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Finding the Fourth Proportional to 95,999.40, 143,955.90 and 36,815.40

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Solution

The fourth proportional to 95,999.40, 143,955.90 and 36,815.40 is: 55,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,999.40 : 143,955.90 = 36,815.40 : x
  2. Step 2: Convert to fraction form
    95,999.40/143,955.90 = 36,815.40/x
  3. Step 3: Cross multiply
    95,999.40x = 143,955.90 × 36,815.40
  4. Step 4: Simplify right side
    95,999.40x = 5,299,794,040.86
  5. Step 5: Solve for x
    x = 5,299,794,040.86/95,999.40
  6. Step 6: Final answer
    x = 55,206.53

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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.