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Finding the Fourth Proportional to 270,012.44, 372,609.95 and 149,151.13

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Solution

The fourth proportional to 270,012.44, 372,609.95 and 149,151.13 is: 205,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,012.44 : 372,609.95 = 149,151.13 : x
  2. Step 2: Convert to fraction form
    270,012.44/372,609.95 = 149,151.13/x
  3. Step 3: Cross multiply
    270,012.44x = 372,609.95 × 149,151.13
  4. Step 4: Simplify right side
    270,012.44x = 55,575,194,160.22
  5. Step 5: Solve for x
    x = 55,575,194,160.22/270,012.44
  6. Step 6: Final answer
    x = 205,824.57

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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.