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Finding the Fourth Proportional to 254,066.88, 380,768.12 and 104,131.63

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Solution

The fourth proportional to 254,066.88, 380,768.12 and 104,131.63 is: 156,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,066.88 : 380,768.12 = 104,131.63 : x
  2. Step 2: Convert to fraction form
    254,066.88/380,768.12 = 104,131.63/x
  3. Step 3: Cross multiply
    254,066.88x = 380,768.12 × 104,131.63
  4. Step 4: Simplify right side
    254,066.88x = 39,650,004,987.64
  5. Step 5: Solve for x
    x = 39,650,004,987.64/254,066.88
  6. Step 6: Final answer
    x = 156,061.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.