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Finding the Fourth Proportional to 86,336.07, 129,522.53 and 48,914.07

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Solution

The fourth proportional to 86,336.07, 129,522.53 and 48,914.07 is: 73,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,336.07 : 129,522.53 = 48,914.07 : x
  2. Step 2: Convert to fraction form
    86,336.07/129,522.53 = 48,914.07/x
  3. Step 3: Cross multiply
    86,336.07x = 129,522.53 × 48,914.07
  4. Step 4: Simplify right side
    86,336.07x = 6,335,474,099.00
  5. Step 5: Solve for x
    x = 6,335,474,099.00/86,336.07
  6. Step 6: Final answer
    x = 73,381.54

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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.