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Finding the Fourth Proportional to 262,688.91, 393,961.57 and 94,177.92

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Solution

The fourth proportional to 262,688.91, 393,961.57 and 94,177.92 is: 141,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,688.91 : 393,961.57 = 94,177.92 : x
  2. Step 2: Convert to fraction form
    262,688.91/393,961.57 = 94,177.92/x
  3. Step 3: Cross multiply
    262,688.91x = 393,961.57 × 94,177.92
  4. Step 4: Simplify right side
    262,688.91x = 37,102,482,994.20
  5. Step 5: Solve for x
    x = 37,102,482,994.20/262,688.91
  6. Step 6: Final answer
    x = 141,241.15

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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.