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Finding the Fourth Proportional to 224,628.54, 336,919.68 and 74,852.64

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Solution

The fourth proportional to 224,628.54, 336,919.68 and 74,852.64 is: 112,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,628.54 : 336,919.68 = 74,852.64 : x
  2. Step 2: Convert to fraction form
    224,628.54/336,919.68 = 74,852.64/x
  3. Step 3: Cross multiply
    224,628.54x = 336,919.68 × 74,852.64
  4. Step 4: Simplify right side
    224,628.54x = 25,219,327,515.96
  5. Step 5: Solve for x
    x = 25,219,327,515.96/224,628.54
  6. Step 6: Final answer
    x = 112,271.25

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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.