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Finding the Fourth Proportional to 270,672.48, 373,522.72 and 149,813.76

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Solution

The fourth proportional to 270,672.48, 373,522.72 and 149,813.76 is: 206,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,672.48 : 373,522.72 = 149,813.76 : x
  2. Step 2: Convert to fraction form
    270,672.48/373,522.72 = 149,813.76/x
  3. Step 3: Cross multiply
    270,672.48x = 373,522.72 × 149,813.76
  4. Step 4: Simplify right side
    270,672.48x = 55,958,843,128.63
  5. Step 5: Solve for x
    x = 55,958,843,128.63/270,672.48
  6. Step 6: Final answer
    x = 206,740.05

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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.