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Finding the Fourth Proportional to 79,157.01, 118,739.16 and 44,070.24

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Solution

The fourth proportional to 79,157.01, 118,739.16 and 44,070.24 is: 66,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,157.01 : 118,739.16 = 44,070.24 : x
  2. Step 2: Convert to fraction form
    79,157.01/118,739.16 = 44,070.24/x
  3. Step 3: Cross multiply
    79,157.01x = 118,739.16 × 44,070.24
  4. Step 4: Simplify right side
    79,157.01x = 5,232,863,278.60
  5. Step 5: Solve for x
    x = 5,232,863,278.60/79,157.01
  6. Step 6: Final answer
    x = 66,107.39

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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.