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Finding the Fourth Proportional to 79,140.56, 118,672.56 and 29,244.15

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Solution

The fourth proportional to 79,140.56, 118,672.56 and 29,244.15 is: 43,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,140.56 : 118,672.56 = 29,244.15 : x
  2. Step 2: Convert to fraction form
    79,140.56/118,672.56 = 29,244.15/x
  3. Step 3: Cross multiply
    79,140.56x = 118,672.56 × 29,244.15
  4. Step 4: Simplify right side
    79,140.56x = 3,470,478,145.52
  5. Step 5: Solve for x
    x = 3,470,478,145.52/79,140.56
  6. Step 6: Final answer
    x = 43,852.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.