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Finding the Fourth Proportional to 239,348.36, 359,009.54 and 73,136.36

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Solution

The fourth proportional to 239,348.36, 359,009.54 and 73,136.36 is: 109,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,348.36 : 359,009.54 = 73,136.36 : x
  2. Step 2: Convert to fraction form
    239,348.36/359,009.54 = 73,136.36/x
  3. Step 3: Cross multiply
    239,348.36x = 359,009.54 × 73,136.36
  4. Step 4: Simplify right side
    239,348.36x = 26,256,650,960.87
  5. Step 5: Solve for x
    x = 26,256,650,960.87/239,348.36
  6. Step 6: Final answer
    x = 109,700.57

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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.