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Finding the Fourth Proportional to 357,761.35, 536,660.40 and 91,524.16

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Solution

The fourth proportional to 357,761.35, 536,660.40 and 91,524.16 is: 137,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,761.35 : 536,660.40 = 91,524.16 : x
  2. Step 2: Convert to fraction form
    357,761.35/536,660.40 = 91,524.16/x
  3. Step 3: Cross multiply
    357,761.35x = 536,660.40 × 91,524.16
  4. Step 4: Simplify right side
    357,761.35x = 49,117,392,315.26
  5. Step 5: Solve for x
    x = 49,117,392,315.26/357,761.35
  6. Step 6: Final answer
    x = 137,290.94

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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.