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Finding the Fourth Proportional to 252,960.49, 349,090.49 and 138,246.24

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Solution

The fourth proportional to 252,960.49, 349,090.49 and 138,246.24 is: 190,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,960.49 : 349,090.49 = 138,246.24 : x
  2. Step 2: Convert to fraction form
    252,960.49/349,090.49 = 138,246.24/x
  3. Step 3: Cross multiply
    252,960.49x = 349,090.49 × 138,246.24
  4. Step 4: Simplify right side
    252,960.49x = 48,260,447,662.26
  5. Step 5: Solve for x
    x = 48,260,447,662.26/252,960.49
  6. Step 6: Final answer
    x = 190,782.55

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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.