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Finding the Fourth Proportional to 114,401.87, 171,591.86 and 70,005.77

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Solution

The fourth proportional to 114,401.87, 171,591.86 and 70,005.77 is: 105,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,401.87 : 171,591.86 = 70,005.77 : x
  2. Step 2: Convert to fraction form
    114,401.87/171,591.86 = 70,005.77/x
  3. Step 3: Cross multiply
    114,401.87x = 171,591.86 × 70,005.77
  4. Step 4: Simplify right side
    114,401.87x = 12,012,419,602.09
  5. Step 5: Solve for x
    x = 12,012,419,602.09/114,401.87
  6. Step 6: Final answer
    x = 105,001.96

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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.