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Finding the Fourth Proportional to 451,139.75, 676,656.95 and 181,257.01

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Solution

The fourth proportional to 451,139.75, 676,656.95 and 181,257.01 is: 271,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,139.75 : 676,656.95 = 181,257.01 : x
  2. Step 2: Convert to fraction form
    451,139.75/676,656.95 = 181,257.01/x
  3. Step 3: Cross multiply
    451,139.75x = 676,656.95 × 181,257.01
  4. Step 4: Simplify right side
    451,139.75x = 122,648,815,552.72
  5. Step 5: Solve for x
    x = 122,648,815,552.72/451,139.75
  6. Step 6: Final answer
    x = 271,864.35

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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.