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Finding the Fourth Proportional to 235,087.49, 324,410.81 and 133,118.53

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Solution

The fourth proportional to 235,087.49, 324,410.81 and 133,118.53 is: 183,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,087.49 : 324,410.81 = 133,118.53 : x
  2. Step 2: Convert to fraction form
    235,087.49/324,410.81 = 133,118.53/x
  3. Step 3: Cross multiply
    235,087.49x = 324,410.81 × 133,118.53
  4. Step 4: Simplify right side
    235,087.49x = 43,185,088,666.69
  5. Step 5: Solve for x
    x = 43,185,088,666.69/235,087.49
  6. Step 6: Final answer
    x = 183,697.94

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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.