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Finding the Fourth Proportional to 79,205.80, 118,614.30 and 52,767.40

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Solution

The fourth proportional to 79,205.80, 118,614.30 and 52,767.40 is: 79,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,205.80 : 118,614.30 = 52,767.40 : x
  2. Step 2: Convert to fraction form
    79,205.80/118,614.30 = 52,767.40/x
  3. Step 3: Cross multiply
    79,205.80x = 118,614.30 × 52,767.40
  4. Step 4: Simplify right side
    79,205.80x = 6,258,968,213.82
  5. Step 5: Solve for x
    x = 6,258,968,213.82/79,205.80
  6. Step 6: Final answer
    x = 79,021.59

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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.