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Finding the Fourth Proportional to 173,018.93, 259,538.70 and 48,359.93

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Solution

The fourth proportional to 173,018.93, 259,538.70 and 48,359.93 is: 72,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,018.93 : 259,538.70 = 48,359.93 : x
  2. Step 2: Convert to fraction form
    173,018.93/259,538.70 = 48,359.93/x
  3. Step 3: Cross multiply
    173,018.93x = 259,538.70 × 48,359.93
  4. Step 4: Simplify right side
    173,018.93x = 12,551,273,364.29
  5. Step 5: Solve for x
    x = 12,551,273,364.29/173,018.93
  6. Step 6: Final answer
    x = 72,542.78

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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.