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Finding the Fourth Proportional to 224,734.70, 336,664.65 and 124,715.90

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Solution

The fourth proportional to 224,734.70, 336,664.65 and 124,715.90 is: 186,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,734.70 : 336,664.65 = 124,715.90 : x
  2. Step 2: Convert to fraction form
    224,734.70/336,664.65 = 124,715.90/x
  3. Step 3: Cross multiply
    224,734.70x = 336,664.65 × 124,715.90
  4. Step 4: Simplify right side
    224,734.70x = 41,987,434,822.94
  5. Step 5: Solve for x
    x = 41,987,434,822.94/224,734.70
  6. Step 6: Final answer
    x = 186,831.12

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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.