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Finding the Fourth Proportional to 79,070.88, 118,607.28 and 26,480.52

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Solution

The fourth proportional to 79,070.88, 118,607.28 and 26,480.52 is: 39,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,070.88 : 118,607.28 = 26,480.52 : x
  2. Step 2: Convert to fraction form
    79,070.88/118,607.28 = 26,480.52/x
  3. Step 3: Cross multiply
    79,070.88x = 118,607.28 × 26,480.52
  4. Step 4: Simplify right side
    79,070.88x = 3,140,782,450.19
  5. Step 5: Solve for x
    x = 3,140,782,450.19/79,070.88
  6. Step 6: Final answer
    x = 39,721.10

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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.