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Finding the Fourth Proportional to 188,468.96, 260,080.02 and 107,903.97

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Solution

The fourth proportional to 188,468.96, 260,080.02 and 107,903.97 is: 148,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,468.96 : 260,080.02 = 107,903.97 : x
  2. Step 2: Convert to fraction form
    188,468.96/260,080.02 = 107,903.97/x
  3. Step 3: Cross multiply
    188,468.96x = 260,080.02 × 107,903.97
  4. Step 4: Simplify right side
    188,468.96x = 28,063,666,675.68
  5. Step 5: Solve for x
    x = 28,063,666,675.68/188,468.96
  6. Step 6: Final answer
    x = 148,903.39

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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.