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Finding the Fourth Proportional to 79,157.30, 118,742.16 and 22,998.38

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Solution

The fourth proportional to 79,157.30, 118,742.16 and 22,998.38 is: 34,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,157.30 : 118,742.16 = 22,998.38 : x
  2. Step 2: Convert to fraction form
    79,157.30/118,742.16 = 22,998.38/x
  3. Step 3: Cross multiply
    79,157.30x = 118,742.16 × 22,998.38
  4. Step 4: Simplify right side
    79,157.30x = 2,730,877,317.70
  5. Step 5: Solve for x
    x = 2,730,877,317.70/79,157.30
  6. Step 6: Final answer
    x = 34,499.37

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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.