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Finding the Fourth Proportional to 79,214.73, 118,245.88 and 73,360.58

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Solution

The fourth proportional to 79,214.73, 118,245.88 and 73,360.58 is: 109,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,214.73 : 118,245.88 = 73,360.58 : x
  2. Step 2: Convert to fraction form
    79,214.73/118,245.88 = 73,360.58/x
  3. Step 3: Cross multiply
    79,214.73x = 118,245.88 × 73,360.58
  4. Step 4: Simplify right side
    79,214.73x = 8,674,586,161.14
  5. Step 5: Solve for x
    x = 8,674,586,161.14/79,214.73
  6. Step 6: Final answer
    x = 109,507.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.