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Finding the Fourth Proportional to 114,994.71, 172,433.75 and 52,611.75

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Solution

The fourth proportional to 114,994.71, 172,433.75 and 52,611.75 is: 78,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,994.71 : 172,433.75 = 52,611.75 : x
  2. Step 2: Convert to fraction form
    114,994.71/172,433.75 = 52,611.75/x
  3. Step 3: Cross multiply
    114,994.71x = 172,433.75 × 52,611.75
  4. Step 4: Simplify right side
    114,994.71x = 9,072,041,083.50
  5. Step 5: Solve for x
    x = 9,072,041,083.50/114,994.71
  6. Step 6: Final answer
    x = 78,890.94

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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.