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Finding the Fourth Proportional to 183,866.90, 253,741.95 and 103,296.06

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Solution

The fourth proportional to 183,866.90, 253,741.95 and 103,296.06 is: 142,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,866.90 : 253,741.95 = 103,296.06 : x
  2. Step 2: Convert to fraction form
    183,866.90/253,741.95 = 103,296.06/x
  3. Step 3: Cross multiply
    183,866.90x = 253,741.95 × 103,296.06
  4. Step 4: Simplify right side
    183,866.90x = 26,210,543,691.72
  5. Step 5: Solve for x
    x = 26,210,543,691.72/183,866.90
  6. Step 6: Final answer
    x = 142,551.73

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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.