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Finding the Fourth Proportional to 185,019.60, 277,529.40 and 100,747.20

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Solution

The fourth proportional to 185,019.60, 277,529.40 and 100,747.20 is: 151,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,019.60 : 277,529.40 = 100,747.20 : x
  2. Step 2: Convert to fraction form
    185,019.60/277,529.40 = 100,747.20/x
  3. Step 3: Cross multiply
    185,019.60x = 277,529.40 × 100,747.20
  4. Step 4: Simplify right side
    185,019.60x = 27,960,309,967.68
  5. Step 5: Solve for x
    x = 27,960,309,967.68/185,019.60
  6. Step 6: Final answer
    x = 151,120.80

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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.