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Finding the Fourth Proportional to 188,468.01, 260,081.48 and 102,424.95

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Solution

The fourth proportional to 188,468.01, 260,081.48 and 102,424.95 is: 141,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,468.01 : 260,081.48 = 102,424.95 : x
  2. Step 2: Convert to fraction form
    188,468.01/260,081.48 = 102,424.95/x
  3. Step 3: Cross multiply
    188,468.01x = 260,081.48 × 102,424.95
  4. Step 4: Simplify right side
    188,468.01x = 26,638,832,584.93
  5. Step 5: Solve for x
    x = 26,638,832,584.93/188,468.01
  6. Step 6: Final answer
    x = 141,344.05

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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.