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Finding the Fourth Proportional to 218,355.55, 327,533.32 and 124,795.69

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Solution

The fourth proportional to 218,355.55, 327,533.32 and 124,795.69 is: 187,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,355.55 : 327,533.32 = 124,795.69 : x
  2. Step 2: Convert to fraction form
    218,355.55/327,533.32 = 124,795.69/x
  3. Step 3: Cross multiply
    218,355.55x = 327,533.32 × 124,795.69
  4. Step 4: Simplify right side
    218,355.55x = 40,874,746,004.55
  5. Step 5: Solve for x
    x = 40,874,746,004.55/218,355.55
  6. Step 6: Final answer
    x = 187,193.53

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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.