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Finding the Fourth Proportional to 188,465.33, 260,083.00 and 103,587.86

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Solution

The fourth proportional to 188,465.33, 260,083.00 and 103,587.86 is: 142,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,465.33 : 260,083.00 = 103,587.86 : x
  2. Step 2: Convert to fraction form
    188,465.33/260,083.00 = 103,587.86/x
  3. Step 3: Cross multiply
    188,465.33x = 260,083.00 × 103,587.86
  4. Step 4: Simplify right side
    188,465.33x = 26,941,442,172.07
  5. Step 5: Solve for x
    x = 26,941,442,172.07/188,465.33
  6. Step 6: Final answer
    x = 142,951.71

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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.