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Finding the Fourth Proportional to 173,608.98, 260,434.31 and 61,266

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Solution

The fourth proportional to 173,608.98, 260,434.31 and 61,266 is: 91,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,608.98 : 260,434.31 = 61,266 : x
  2. Step 2: Convert to fraction form
    173,608.98/260,434.31 = 61,266/x
  3. Step 3: Cross multiply
    173,608.98x = 260,434.31 × 61,266
  4. Step 4: Simplify right side
    173,608.98x = 15,955,768,130.13
  5. Step 5: Solve for x
    x = 15,955,768,130.13/173,608.98
  6. Step 6: Final answer
    x = 91,906.35

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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.