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Finding the Fourth Proportional to 183,914.75, 253,806.80 and 103,337.46

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Solution

The fourth proportional to 183,914.75, 253,806.80 and 103,337.46 is: 142,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,914.75 : 253,806.80 = 103,337.46 : x
  2. Step 2: Convert to fraction form
    183,914.75/253,806.80 = 103,337.46/x
  3. Step 3: Cross multiply
    183,914.75x = 253,806.80 × 103,337.46
  4. Step 4: Simplify right side
    183,914.75x = 26,227,749,526.04
  5. Step 5: Solve for x
    x = 26,227,749,526.04/183,914.75
  6. Step 6: Final answer
    x = 142,608.19

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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.