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Finding the Fourth Proportional to 224,575.01, 336,749.51 and 74,761.86

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Solution

The fourth proportional to 224,575.01, 336,749.51 and 74,761.86 is: 112,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,575.01 : 336,749.51 = 74,761.86 : x
  2. Step 2: Convert to fraction form
    224,575.01/336,749.51 = 74,761.86/x
  3. Step 3: Cross multiply
    224,575.01x = 336,749.51 × 74,761.86
  4. Step 4: Simplify right side
    224,575.01x = 25,176,019,908.59
  5. Step 5: Solve for x
    x = 25,176,019,908.59/224,575.01
  6. Step 6: Final answer
    x = 112,105.17

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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.