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Finding the Fourth Proportional to 188,633.36, 260,315.12 and 102,593.36

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Solution

The fourth proportional to 188,633.36, 260,315.12 and 102,593.36 is: 141,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,633.36 : 260,315.12 = 102,593.36 : x
  2. Step 2: Convert to fraction form
    188,633.36/260,315.12 = 102,593.36/x
  3. Step 3: Cross multiply
    188,633.36x = 260,315.12 × 102,593.36
  4. Step 4: Simplify right side
    188,633.36x = 26,706,602,417.65
  5. Step 5: Solve for x
    x = 26,706,602,417.65/188,633.36
  6. Step 6: Final answer
    x = 141,579.43

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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.