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Finding the Fourth Proportional to 254,663.58, 381,994.94 and 67,675.08

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Solution

The fourth proportional to 254,663.58, 381,994.94 and 67,675.08 is: 101,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,663.58 : 381,994.94 = 67,675.08 : x
  2. Step 2: Convert to fraction form
    254,663.58/381,994.94 = 67,675.08/x
  3. Step 3: Cross multiply
    254,663.58x = 381,994.94 × 67,675.08
  4. Step 4: Simplify right side
    254,663.58x = 25,851,538,124.10
  5. Step 5: Solve for x
    x = 25,851,538,124.10/254,663.58
  6. Step 6: Final answer
    x = 101,512.51

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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.