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Finding the Fourth Proportional to 79,461.20, 118,932.60 and 79,461.20

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Solution

The fourth proportional to 79,461.20, 118,932.60 and 79,461.20 is: 118,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461.20 : 118,932.60 = 79,461.20 : x
  2. Step 2: Convert to fraction form
    79,461.20/118,932.60 = 79,461.20/x
  3. Step 3: Cross multiply
    79,461.20x = 118,932.60 × 79,461.20
  4. Step 4: Simplify right side
    79,461.20x = 9,450,527,115.12
  5. Step 5: Solve for x
    x = 9,450,527,115.12/79,461.20
  6. Step 6: Final answer
    x = 118,932.60

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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.