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Finding the Fourth Proportional to 173,326.72, 259,999.80 and 48,658

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Solution

The fourth proportional to 173,326.72, 259,999.80 and 48,658 is: 72,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,326.72 : 259,999.80 = 48,658 : x
  2. Step 2: Convert to fraction form
    173,326.72/259,999.80 = 48,658/x
  3. Step 3: Cross multiply
    173,326.72x = 259,999.80 × 48,658
  4. Step 4: Simplify right side
    173,326.72x = 12,651,070,268.40
  5. Step 5: Solve for x
    x = 12,651,070,268.40/173,326.72
  6. Step 6: Final answer
    x = 72,989.73

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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.