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Finding the Fourth Proportional to 173,610.98, 260,437.31 and 61,268

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Solution

The fourth proportional to 173,610.98, 260,437.31 and 61,268 is: 91,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,610.98 : 260,437.31 = 61,268 : x
  2. Step 2: Convert to fraction form
    173,610.98/260,437.31 = 61,268/x
  3. Step 3: Cross multiply
    173,610.98x = 260,437.31 × 61,268
  4. Step 4: Simplify right side
    173,610.98x = 15,956,473,109.08
  5. Step 5: Solve for x
    x = 15,956,473,109.08/173,610.98
  6. Step 6: Final answer
    x = 91,909.35

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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.