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Finding the Fourth Proportional to 291,341.80, 402,113.73 and 195,793.14

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Solution

The fourth proportional to 291,341.80, 402,113.73 and 195,793.14 is: 270,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,341.80 : 402,113.73 = 195,793.14 : x
  2. Step 2: Convert to fraction form
    291,341.80/402,113.73 = 195,793.14/x
  3. Step 3: Cross multiply
    291,341.80x = 402,113.73 × 195,793.14
  4. Step 4: Simplify right side
    291,341.80x = 78,731,109,833.81
  5. Step 5: Solve for x
    x = 78,731,109,833.81/291,341.80
  6. Step 6: Final answer
    x = 270,236.23

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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.