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Finding the Fourth Proportional to 79,208.58, 109,266.39 and 48,984.24

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Solution

The fourth proportional to 79,208.58, 109,266.39 and 48,984.24 is: 67,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.58 : 109,266.39 = 48,984.24 : x
  2. Step 2: Convert to fraction form
    79,208.58/109,266.39 = 48,984.24/x
  3. Step 3: Cross multiply
    79,208.58x = 109,266.39 × 48,984.24
  4. Step 4: Simplify right side
    79,208.58x = 5,352,331,071.69
  5. Step 5: Solve for x
    x = 5,352,331,071.69/79,208.58
  6. Step 6: Final answer
    x = 67,572.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.