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Finding the Fourth Proportional to 79,013.60, 118,477.20 and 32,213.60

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Solution

The fourth proportional to 79,013.60, 118,477.20 and 32,213.60 is: 48,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.60 : 118,477.20 = 32,213.60 : x
  2. Step 2: Convert to fraction form
    79,013.60/118,477.20 = 32,213.60/x
  3. Step 3: Cross multiply
    79,013.60x = 118,477.20 × 32,213.60
  4. Step 4: Simplify right side
    79,013.60x = 3,816,577,129.92
  5. Step 5: Solve for x
    x = 3,816,577,129.92/79,013.60
  6. Step 6: Final answer
    x = 48,302.79

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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.