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Finding the Fourth Proportional to 173,062.20, 259,641.90 and 73,270.20

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Solution

The fourth proportional to 173,062.20, 259,641.90 and 73,270.20 is: 109,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,062.20 : 259,641.90 = 73,270.20 : x
  2. Step 2: Convert to fraction form
    173,062.20/259,641.90 = 73,270.20/x
  3. Step 3: Cross multiply
    173,062.20x = 259,641.90 × 73,270.20
  4. Step 4: Simplify right side
    173,062.20x = 19,024,013,941.38
  5. Step 5: Solve for x
    x = 19,024,013,941.38/173,062.20
  6. Step 6: Final answer
    x = 109,925.88

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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.