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Finding the Fourth Proportional to 224,637.51, 336,933.18 and 74,861.67

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Solution

The fourth proportional to 224,637.51, 336,933.18 and 74,861.67 is: 112,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,637.51 : 336,933.18 = 74,861.67 : x
  2. Step 2: Convert to fraction form
    224,637.51/336,933.18 = 74,861.67/x
  3. Step 3: Cross multiply
    224,637.51x = 336,933.18 × 74,861.67
  4. Step 4: Simplify right side
    224,637.51x = 25,223,380,533.21
  5. Step 5: Solve for x
    x = 25,223,380,533.21/224,637.51
  6. Step 6: Final answer
    x = 112,284.81

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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.