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Finding the Fourth Proportional to 183,958.72, 253,862.64 and 103,389.52

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Solution

The fourth proportional to 183,958.72, 253,862.64 and 103,389.52 is: 142,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,958.72 : 253,862.64 = 103,389.52 : x
  2. Step 2: Convert to fraction form
    183,958.72/253,862.64 = 103,389.52/x
  3. Step 3: Cross multiply
    183,958.72x = 253,862.64 × 103,389.52
  4. Step 4: Simplify right side
    183,958.72x = 26,246,736,495.53
  5. Step 5: Solve for x
    x = 26,246,736,495.53/183,958.72
  6. Step 6: Final answer
    x = 142,677.32

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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.