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Finding the Fourth Proportional to 133,376.16, 184,052.22 and 72,935.04

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Solution

The fourth proportional to 133,376.16, 184,052.22 and 72,935.04 is: 100,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,376.16 : 184,052.22 = 72,935.04 : x
  2. Step 2: Convert to fraction form
    133,376.16/184,052.22 = 72,935.04/x
  3. Step 3: Cross multiply
    133,376.16x = 184,052.22 × 72,935.04
  4. Step 4: Simplify right side
    133,376.16x = 13,423,856,027.79
  5. Step 5: Solve for x
    x = 13,423,856,027.79/133,376.16
  6. Step 6: Final answer
    x = 100,646.59

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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.