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Finding the Fourth Proportional to 224,738.70, 336,670.65 and 124,719.90

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Solution

The fourth proportional to 224,738.70, 336,670.65 and 124,719.90 is: 186,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,738.70 : 336,670.65 = 124,719.90 : x
  2. Step 2: Convert to fraction form
    224,738.70/336,670.65 = 124,719.90/x
  3. Step 3: Cross multiply
    224,738.70x = 336,670.65 × 124,719.90
  4. Step 4: Simplify right side
    224,738.70x = 41,989,529,800.94
  5. Step 5: Solve for x
    x = 41,989,529,800.94/224,738.70
  6. Step 6: Final answer
    x = 186,837.11

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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.