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Finding the Fourth Proportional to 224,097.66, 336,139.74 and 90,974.70

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Solution

The fourth proportional to 224,097.66, 336,139.74 and 90,974.70 is: 136,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,097.66 : 336,139.74 = 90,974.70 : x
  2. Step 2: Convert to fraction form
    224,097.66/336,139.74 = 90,974.70/x
  3. Step 3: Cross multiply
    224,097.66x = 336,139.74 × 90,974.70
  4. Step 4: Simplify right side
    224,097.66x = 30,580,212,004.58
  5. Step 5: Solve for x
    x = 30,580,212,004.58/224,097.66
  6. Step 6: Final answer
    x = 136,459.31

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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.