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Finding the Fourth Proportional to 78,950.88, 118,343.56 and 36,796.24

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Solution

The fourth proportional to 78,950.88, 118,343.56 and 36,796.24 is: 55,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,950.88 : 118,343.56 = 36,796.24 : x
  2. Step 2: Convert to fraction form
    78,950.88/118,343.56 = 36,796.24/x
  3. Step 3: Cross multiply
    78,950.88x = 118,343.56 × 36,796.24
  4. Step 4: Simplify right side
    78,950.88x = 4,354,598,036.21
  5. Step 5: Solve for x
    x = 4,354,598,036.21/78,950.88
  6. Step 6: Final answer
    x = 55,155.79

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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.