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Finding the Fourth Proportional to 79,263.31, 118,860.39 and 29,980.75

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Solution

The fourth proportional to 79,263.31, 118,860.39 and 29,980.75 is: 44,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.31 : 118,860.39 = 29,980.75 : x
  2. Step 2: Convert to fraction form
    79,263.31/118,860.39 = 29,980.75/x
  3. Step 3: Cross multiply
    79,263.31x = 118,860.39 × 29,980.75
  4. Step 4: Simplify right side
    79,263.31x = 3,563,523,637.49
  5. Step 5: Solve for x
    x = 3,563,523,637.49/79,263.31
  6. Step 6: Final answer
    x = 44,958.05

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1.5x scale

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.