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Finding the Fourth Proportional to 133,393.65, 184,076.37 and 72,952.53

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Solution

The fourth proportional to 133,393.65, 184,076.37 and 72,952.53 is: 100,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,393.65 : 184,076.37 = 72,952.53 : x
  2. Step 2: Convert to fraction form
    133,393.65/184,076.37 = 72,952.53/x
  3. Step 3: Cross multiply
    133,393.65x = 184,076.37 × 72,952.53
  4. Step 4: Simplify right side
    133,393.65x = 13,428,836,904.72
  5. Step 5: Solve for x
    x = 13,428,836,904.72/133,393.65
  6. Step 6: Final answer
    x = 100,670.74

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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.