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Finding the Fourth Proportional to 79,062.24, 118,612.80 and 55,734.24

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Solution

The fourth proportional to 79,062.24, 118,612.80 and 55,734.24 is: 83,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,062.24 : 118,612.80 = 55,734.24 : x
  2. Step 2: Convert to fraction form
    79,062.24/118,612.80 = 55,734.24/x
  3. Step 3: Cross multiply
    79,062.24x = 118,612.80 × 55,734.24
  4. Step 4: Simplify right side
    79,062.24x = 6,610,794,262.27
  5. Step 5: Solve for x
    x = 6,610,794,262.27/79,062.24
  6. Step 6: Final answer
    x = 83,615.06

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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.