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Finding the Fourth Proportional to 508,141.48, 762,212.27 and 134,167.72

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Solution

The fourth proportional to 508,141.48, 762,212.27 and 134,167.72 is: 201,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,141.48 : 762,212.27 = 134,167.72 : x
  2. Step 2: Convert to fraction form
    508,141.48/762,212.27 = 134,167.72/x
  3. Step 3: Cross multiply
    508,141.48x = 762,212.27 × 134,167.72
  4. Step 4: Simplify right side
    508,141.48x = 102,264,282,421.92
  5. Step 5: Solve for x
    x = 102,264,282,421.92/508,141.48
  6. Step 6: Final answer
    x = 201,251.59

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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.