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Finding the Fourth Proportional to 235,465.61, 324,935.75 and 133,500.54

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Solution

The fourth proportional to 235,465.61, 324,935.75 and 133,500.54 is: 184,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,465.61 : 324,935.75 = 133,500.54 : x
  2. Step 2: Convert to fraction form
    235,465.61/324,935.75 = 133,500.54/x
  3. Step 3: Cross multiply
    235,465.61x = 324,935.75 × 133,500.54
  4. Step 4: Simplify right side
    235,465.61x = 43,379,097,422.80
  5. Step 5: Solve for x
    x = 43,379,097,422.80/235,465.61
  6. Step 6: Final answer
    x = 184,226.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.