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Finding the Fourth Proportional to 118,610.48, 163,659.72 and 67,622.24

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Solution

The fourth proportional to 118,610.48, 163,659.72 and 67,622.24 is: 93,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,610.48 : 163,659.72 = 67,622.24 : x
  2. Step 2: Convert to fraction form
    118,610.48/163,659.72 = 67,622.24/x
  3. Step 3: Cross multiply
    118,610.48x = 163,659.72 × 67,622.24
  4. Step 4: Simplify right side
    118,610.48x = 11,067,036,864.17
  5. Step 5: Solve for x
    x = 11,067,036,864.17/118,610.48
  6. Step 6: Final answer
    x = 93,305.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.