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Finding the Fourth Proportional to 183,944.61, 253,866.11 and 103,375.53

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Solution

The fourth proportional to 183,944.61, 253,866.11 and 103,375.53 is: 142,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,944.61 : 253,866.11 = 103,375.53 : x
  2. Step 2: Convert to fraction form
    183,944.61/253,866.11 = 103,375.53/x
  3. Step 3: Cross multiply
    183,944.61x = 253,866.11 × 103,375.53
  4. Step 4: Simplify right side
    183,944.61x = 26,243,543,153.41
  5. Step 5: Solve for x
    x = 26,243,543,153.41/183,944.61
  6. Step 6: Final answer
    x = 142,670.90

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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.