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Finding the Fourth Proportional to 79,281.72, 118,922.58 and 23,877.72

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Solution

The fourth proportional to 79,281.72, 118,922.58 and 23,877.72 is: 35,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,281.72 : 118,922.58 = 23,877.72 : x
  2. Step 2: Convert to fraction form
    79,281.72/118,922.58 = 23,877.72/x
  3. Step 3: Cross multiply
    79,281.72x = 118,922.58 × 23,877.72
  4. Step 4: Simplify right side
    79,281.72x = 2,839,600,066.92
  5. Step 5: Solve for x
    x = 2,839,600,066.92/79,281.72
  6. Step 6: Final answer
    x = 35,816.58

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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.