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Finding the Fourth Proportional to 357,766.17, 536,643.78 and 91,524.43

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Solution

The fourth proportional to 357,766.17, 536,643.78 and 91,524.43 is: 137,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,766.17 : 536,643.78 = 91,524.43 : x
  2. Step 2: Convert to fraction form
    357,766.17/536,643.78 = 91,524.43/x
  3. Step 3: Cross multiply
    357,766.17x = 536,643.78 × 91,524.43
  4. Step 4: Simplify right side
    357,766.17x = 49,116,015,619.92
  5. Step 5: Solve for x
    x = 49,116,015,619.92/357,766.17
  6. Step 6: Final answer
    x = 137,285.24

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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.