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Finding the Fourth Proportional to 183,458.62, 253,183.93 and 102,890.90

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Solution

The fourth proportional to 183,458.62, 253,183.93 and 102,890.90 is: 141,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,458.62 : 253,183.93 = 102,890.90 : x
  2. Step 2: Convert to fraction form
    183,458.62/253,183.93 = 102,890.90/x
  3. Step 3: Cross multiply
    183,458.62x = 253,183.93 × 102,890.90
  4. Step 4: Simplify right side
    183,458.62x = 26,050,323,313.42
  5. Step 5: Solve for x
    x = 26,050,323,313.42/183,458.62
  6. Step 6: Final answer
    x = 141,995.64

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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.