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Finding the Fourth Proportional to 260,999.12, 359,836.08 and 188,341.04

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Solution

The fourth proportional to 260,999.12, 359,836.08 and 188,341.04 is: 259,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,999.12 : 359,836.08 = 188,341.04 : x
  2. Step 2: Convert to fraction form
    260,999.12/359,836.08 = 188,341.04/x
  3. Step 3: Cross multiply
    260,999.12x = 359,836.08 × 188,341.04
  4. Step 4: Simplify right side
    260,999.12x = 67,771,901,536.72
  5. Step 5: Solve for x
    x = 67,771,901,536.72/260,999.12
  6. Step 6: Final answer
    x = 259,663.33

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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.