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Finding the Fourth Proportional to 188,758.00, 260,491.51 and 102,722.53

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Solution

The fourth proportional to 188,758.00, 260,491.51 and 102,722.53 is: 141,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,758.00 : 260,491.51 = 102,722.53 : x
  2. Step 2: Convert to fraction form
    188,758.00/260,491.51 = 102,722.53/x
  3. Step 3: Cross multiply
    188,758.00x = 260,491.51 × 102,722.53
  4. Step 4: Simplify right side
    188,758.00x = 26,758,346,916.32
  5. Step 5: Solve for x
    x = 26,758,346,916.32/188,758.00
  6. Step 6: Final answer
    x = 141,760.07

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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.