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Finding the Fourth Proportional to 79,050.40, 118,581.84 and 26,460.08

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Solution

The fourth proportional to 79,050.40, 118,581.84 and 26,460.08 is: 39,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.40 : 118,581.84 = 26,460.08 : x
  2. Step 2: Convert to fraction form
    79,050.40/118,581.84 = 26,460.08/x
  3. Step 3: Cross multiply
    79,050.40x = 118,581.84 × 26,460.08
  4. Step 4: Simplify right side
    79,050.40x = 3,137,684,972.95
  5. Step 5: Solve for x
    x = 3,137,684,972.95/79,050.40
  6. Step 6: Final answer
    x = 39,692.21

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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.