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Finding the Fourth Proportional to 365,572.08, 547,984.26 and 140,844.51

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Solution

The fourth proportional to 365,572.08, 547,984.26 and 140,844.51 is: 211,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,572.08 : 547,984.26 = 140,844.51 : x
  2. Step 2: Convert to fraction form
    365,572.08/547,984.26 = 140,844.51/x
  3. Step 3: Cross multiply
    365,572.08x = 547,984.26 × 140,844.51
  4. Step 4: Simplify right side
    365,572.08x = 77,180,574,587.41
  5. Step 5: Solve for x
    x = 77,180,574,587.41/365,572.08
  6. Step 6: Final answer
    x = 211,122.73

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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.