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Finding the Fourth Proportional to 201,674.44, 278,308.02 and 112,250.44

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Solution

The fourth proportional to 201,674.44, 278,308.02 and 112,250.44 is: 154,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,674.44 : 278,308.02 = 112,250.44 : x
  2. Step 2: Convert to fraction form
    201,674.44/278,308.02 = 112,250.44/x
  3. Step 3: Cross multiply
    201,674.44x = 278,308.02 × 112,250.44
  4. Step 4: Simplify right side
    201,674.44x = 31,240,197,700.53
  5. Step 5: Solve for x
    x = 31,240,197,700.53/201,674.44
  6. Step 6: Final answer
    x = 154,904.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.