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Finding the Fourth Proportional to 185,240.82, 277,873.47 and 72,912.18

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Solution

The fourth proportional to 185,240.82, 277,873.47 and 72,912.18 is: 109,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,240.82 : 277,873.47 = 72,912.18 : x
  2. Step 2: Convert to fraction form
    185,240.82/277,873.47 = 72,912.18/x
  3. Step 3: Cross multiply
    185,240.82x = 277,873.47 × 72,912.18
  4. Step 4: Simplify right side
    185,240.82x = 20,260,360,461.86
  5. Step 5: Solve for x
    x = 20,260,360,461.86/185,240.82
  6. Step 6: Final answer
    x = 109,373.09

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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.