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Finding the Fourth Proportional to 109,923, 151,693.76 and 62,175.32

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Solution

The fourth proportional to 109,923, 151,693.76 and 62,175.32 is: 85,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,923 : 151,693.76 = 62,175.32 : x
  2. Step 2: Convert to fraction form
    109,923/151,693.76 = 62,175.32/x
  3. Step 3: Cross multiply
    109,923x = 151,693.76 × 62,175.32
  4. Step 4: Simplify right side
    109,923x = 9,431,608,070.00
  5. Step 5: Solve for x
    x = 9,431,608,070.00/109,923
  6. Step 6: Final answer
    x = 85,801.95

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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.