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Finding the Fourth Proportional to 210,101.40, 314,568.90 and 204,269.40

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Solution

The fourth proportional to 210,101.40, 314,568.90 and 204,269.40 is: 305,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,101.40 : 314,568.90 = 204,269.40 : x
  2. Step 2: Convert to fraction form
    210,101.40/314,568.90 = 204,269.40/x
  3. Step 3: Cross multiply
    210,101.40x = 314,568.90 × 204,269.40
  4. Step 4: Simplify right side
    210,101.40x = 64,256,800,461.66
  5. Step 5: Solve for x
    x = 64,256,800,461.66/210,101.40
  6. Step 6: Final answer
    x = 305,837.09

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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.