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Finding the Fourth Proportional to 183,571.68, 253,328.62 and 103,006.69

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Solution

The fourth proportional to 183,571.68, 253,328.62 and 103,006.69 is: 142,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,571.68 : 253,328.62 = 103,006.69 : x
  2. Step 2: Convert to fraction form
    183,571.68/253,328.62 = 103,006.69/x
  3. Step 3: Cross multiply
    183,571.68x = 253,328.62 × 103,006.69
  4. Step 4: Simplify right side
    183,571.68x = 26,094,542,628.47
  5. Step 5: Solve for x
    x = 26,094,542,628.47/183,571.68
  6. Step 6: Final answer
    x = 142,149.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.