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Finding the Fourth Proportional to 365,355.39, 548,087.76 and 112,614.87

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Solution

The fourth proportional to 365,355.39, 548,087.76 and 112,614.87 is: 168,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,355.39 : 548,087.76 = 112,614.87 : x
  2. Step 2: Convert to fraction form
    365,355.39/548,087.76 = 112,614.87/x
  3. Step 3: Cross multiply
    365,355.39x = 548,087.76 × 112,614.87
  4. Step 4: Simplify right side
    365,355.39x = 61,722,831,840.99
  5. Step 5: Solve for x
    x = 61,722,831,840.99/365,355.39
  6. Step 6: Final answer
    x = 168,939.16

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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.