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Finding the Fourth Proportional to 134,139.16, 201,053.22 and 126,363.16

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Solution

The fourth proportional to 134,139.16, 201,053.22 and 126,363.16 is: 189,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.16 : 201,053.22 = 126,363.16 : x
  2. Step 2: Convert to fraction form
    134,139.16/201,053.22 = 126,363.16/x
  3. Step 3: Cross multiply
    134,139.16x = 201,053.22 × 126,363.16
  4. Step 4: Simplify right side
    134,139.16x = 25,405,720,207.38
  5. Step 5: Solve for x
    x = 25,405,720,207.38/134,139.16
  6. Step 6: Final answer
    x = 189,398.24

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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.