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Finding the Fourth Proportional to 260,703.13, 359,770.31 and 141,471.13

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Solution

The fourth proportional to 260,703.13, 359,770.31 and 141,471.13 is: 195,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,703.13 : 359,770.31 = 141,471.13 : x
  2. Step 2: Convert to fraction form
    260,703.13/359,770.31 = 141,471.13/x
  3. Step 3: Cross multiply
    260,703.13x = 359,770.31 × 141,471.13
  4. Step 4: Simplify right side
    260,703.13x = 50,897,112,296.15
  5. Step 5: Solve for x
    x = 50,897,112,296.15/260,703.13
  6. Step 6: Final answer
    x = 195,230.15

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1.5x scale

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.