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Finding the Fourth Proportional to 188,773.30, 260,513.06 and 107,104.99

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Solution

The fourth proportional to 188,773.30, 260,513.06 and 107,104.99 is: 147,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,773.30 : 260,513.06 = 107,104.99 : x
  2. Step 2: Convert to fraction form
    188,773.30/260,513.06 = 107,104.99/x
  3. Step 3: Cross multiply
    188,773.30x = 260,513.06 × 107,104.99
  4. Step 4: Simplify right side
    188,773.30x = 27,902,248,686.17
  5. Step 5: Solve for x
    x = 27,902,248,686.17/188,773.30
  6. Step 6: Final answer
    x = 147,808.24

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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.