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Finding the Fourth Proportional to 79,201.60, 118,810.40 and 29,295.04

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Solution

The fourth proportional to 79,201.60, 118,810.40 and 29,295.04 is: 43,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,201.60 : 118,810.40 = 29,295.04 : x
  2. Step 2: Convert to fraction form
    79,201.60/118,810.40 = 29,295.04/x
  3. Step 3: Cross multiply
    79,201.60x = 118,810.40 × 29,295.04
  4. Step 4: Simplify right side
    79,201.60x = 3,480,555,420.42
  5. Step 5: Solve for x
    x = 3,480,555,420.42/79,201.60
  6. Step 6: Final answer
    x = 43,945.52

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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.