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Finding the Fourth Proportional to 133,475.70, 184,194.87 and 73,045.74

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Solution

The fourth proportional to 133,475.70, 184,194.87 and 73,045.74 is: 100,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,475.70 : 184,194.87 = 73,045.74 : x
  2. Step 2: Convert to fraction form
    133,475.70/184,194.87 = 73,045.74/x
  3. Step 3: Cross multiply
    133,475.70x = 184,194.87 × 73,045.74
  4. Step 4: Simplify right side
    133,475.70x = 13,454,650,583.35
  5. Step 5: Solve for x
    x = 13,454,650,583.35/133,475.70
  6. Step 6: Final answer
    x = 100,802.25

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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.