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Finding the Fourth Proportional to 173,121.98, 259,656.98 and 54,777.94

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Solution

The fourth proportional to 173,121.98, 259,656.98 and 54,777.94 is: 82,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,121.98 : 259,656.98 = 54,777.94 : x
  2. Step 2: Convert to fraction form
    173,121.98/259,656.98 = 54,777.94/x
  3. Step 3: Cross multiply
    173,121.98x = 259,656.98 × 54,777.94
  4. Step 4: Simplify right side
    173,121.98x = 14,223,473,547.99
  5. Step 5: Solve for x
    x = 14,223,473,547.99/173,121.98
  6. Step 6: Final answer
    x = 82,158.68

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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.