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Finding the Fourth Proportional to 247,523.99, 341,554.73 and 138,613.14

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Solution

The fourth proportional to 247,523.99, 341,554.73 and 138,613.14 is: 191,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,523.99 : 341,554.73 = 138,613.14 : x
  2. Step 2: Convert to fraction form
    247,523.99/341,554.73 = 138,613.14/x
  3. Step 3: Cross multiply
    247,523.99x = 341,554.73 × 138,613.14
  4. Step 4: Simplify right side
    247,523.99x = 47,343,972,914.09
  5. Step 5: Solve for x
    x = 47,343,972,914.09/247,523.99
  6. Step 6: Final answer
    x = 191,270.24

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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.