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Finding the Fourth Proportional to 251,447, 377,193.18 and 64,460.12

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Solution

The fourth proportional to 251,447, 377,193.18 and 64,460.12 is: 96,695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,447 : 377,193.18 = 64,460.12 : x
  2. Step 2: Convert to fraction form
    251,447/377,193.18 = 64,460.12/x
  3. Step 3: Cross multiply
    251,447x = 377,193.18 × 64,460.12
  4. Step 4: Simplify right side
    251,447x = 24,313,917,645.98
  5. Step 5: Solve for x
    x = 24,313,917,645.98/251,447
  6. Step 6: Final answer
    x = 96,695.99

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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.