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Finding the Fourth Proportional to 254,058.54, 381,087.95 and 64,533.12

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Solution

The fourth proportional to 254,058.54, 381,087.95 and 64,533.12 is: 96,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,058.54 : 381,087.95 = 64,533.12 : x
  2. Step 2: Convert to fraction form
    254,058.54/381,087.95 = 64,533.12/x
  3. Step 3: Cross multiply
    254,058.54x = 381,087.95 × 64,533.12
  4. Step 4: Simplify right side
    254,058.54x = 24,592,794,085.24
  5. Step 5: Solve for x
    x = 24,592,794,085.24/254,058.54
  6. Step 6: Final answer
    x = 96,799.71

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Similar ratio
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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.