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Finding the Fourth Proportional to 114,694.45, 171,847.54 and 70,228.35

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Solution

The fourth proportional to 114,694.45, 171,847.54 and 70,228.35 is: 105,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,694.45 : 171,847.54 = 70,228.35 : x
  2. Step 2: Convert to fraction form
    114,694.45/171,847.54 = 70,228.35/x
  3. Step 3: Cross multiply
    114,694.45x = 171,847.54 × 70,228.35
  4. Step 4: Simplify right side
    114,694.45x = 12,068,569,185.76
  5. Step 5: Solve for x
    x = 12,068,569,185.76/114,694.45
  6. Step 6: Final answer
    x = 105,223.65

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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.