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Finding the Fourth Proportional to 185,149.53, 277,724.70 and 66,904.38

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Solution

The fourth proportional to 185,149.53, 277,724.70 and 66,904.38 is: 100,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,149.53 : 277,724.70 = 66,904.38 : x
  2. Step 2: Convert to fraction form
    185,149.53/277,724.70 = 66,904.38/x
  3. Step 3: Cross multiply
    185,149.53x = 277,724.70 × 66,904.38
  4. Step 4: Simplify right side
    185,149.53x = 18,580,998,864.19
  5. Step 5: Solve for x
    x = 18,580,998,864.19/185,149.53
  6. Step 6: Final answer
    x = 100,356.72

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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.