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Finding the Fourth Proportional to 508,139.98, 762,210.02 and 134,166.22

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Solution

The fourth proportional to 508,139.98, 762,210.02 and 134,166.22 is: 201,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,139.98 : 762,210.02 = 134,166.22 : x
  2. Step 2: Convert to fraction form
    508,139.98/762,210.02 = 134,166.22/x
  3. Step 3: Cross multiply
    508,139.98x = 762,210.02 × 134,166.22
  4. Step 4: Simplify right side
    508,139.98x = 102,262,836,558.69
  5. Step 5: Solve for x
    x = 102,262,836,558.69/508,139.98
  6. Step 6: Final answer
    x = 201,249.34

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Similar ratio
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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.