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Finding the Fourth Proportional to 183,969.22, 253,877.13 and 103,400.02

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Solution

The fourth proportional to 183,969.22, 253,877.13 and 103,400.02 is: 142,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,969.22 : 253,877.13 = 103,400.02 : x
  2. Step 2: Convert to fraction form
    183,969.22/253,877.13 = 103,400.02/x
  3. Step 3: Cross multiply
    183,969.22x = 253,877.13 × 103,400.02
  4. Step 4: Simplify right side
    183,969.22x = 26,250,900,319.54
  5. Step 5: Solve for x
    x = 26,250,900,319.54/183,969.22
  6. Step 6: Final answer
    x = 142,691.81

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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.