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Finding the Fourth Proportional to 508,133.73, 762,200.61 and 134,159.97

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Solution

The fourth proportional to 508,133.73, 762,200.61 and 134,159.97 is: 201,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,133.73 : 762,200.61 = 134,159.97 : x
  2. Step 2: Convert to fraction form
    508,133.73/762,200.61 = 134,159.97/x
  3. Step 3: Cross multiply
    508,133.73x = 762,200.61 × 134,159.97
  4. Step 4: Simplify right side
    508,133.73x = 102,256,810,971.58
  5. Step 5: Solve for x
    x = 102,256,810,971.58/508,133.73
  6. Step 6: Final answer
    x = 201,239.96

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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.