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Finding the Fourth Proportional to 270,770.90, 373,703.19 and 156,027.21

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Solution

The fourth proportional to 270,770.90, 373,703.19 and 156,027.21 is: 215,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,770.90 : 373,703.19 = 156,027.21 : x
  2. Step 2: Convert to fraction form
    270,770.90/373,703.19 = 156,027.21/x
  3. Step 3: Cross multiply
    270,770.90x = 373,703.19 × 156,027.21
  4. Step 4: Simplify right side
    270,770.90x = 58,307,867,535.87
  5. Step 5: Solve for x
    x = 58,307,867,535.87/270,770.90
  6. Step 6: Final answer
    x = 215,340.23

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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.