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Finding the Fourth Proportional to 183,116, 252,704 and 103,628

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Solution

The fourth proportional to 183,116, 252,704 and 103,628 is: 143,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,116 : 252,704 = 103,628 : x
  2. Step 2: Convert to fraction form
    183,116/252,704 = 103,628/x
  3. Step 3: Cross multiply
    183,116x = 252,704 × 103,628
  4. Step 4: Simplify right side
    183,116x = 26,187,210,112
  5. Step 5: Solve for x
    x = 26,187,210,112/183,116
  6. Step 6: Final answer
    x = 143,008.86

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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.