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Finding the Fourth Proportional to 183,988.74, 253,927.94 and 112,353.69

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Solution

The fourth proportional to 183,988.74, 253,927.94 and 112,353.69 is: 155,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,988.74 : 253,927.94 = 112,353.69 : x
  2. Step 2: Convert to fraction form
    183,988.74/253,927.94 = 112,353.69/x
  3. Step 3: Cross multiply
    183,988.74x = 253,927.94 × 112,353.69
  4. Step 4: Simplify right side
    183,988.74x = 28,529,740,491.33
  5. Step 5: Solve for x
    x = 28,529,740,491.33/183,988.74
  6. Step 6: Final answer
    x = 155,062.43

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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.