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Finding the Fourth Proportional to 133,654.50, 184,443.21 and 74,050.02

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Solution

The fourth proportional to 133,654.50, 184,443.21 and 74,050.02 is: 102,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,654.50 : 184,443.21 = 74,050.02 : x
  2. Step 2: Convert to fraction form
    133,654.50/184,443.21 = 74,050.02/x
  3. Step 3: Cross multiply
    133,654.50x = 184,443.21 × 74,050.02
  4. Step 4: Simplify right side
    133,654.50x = 13,658,023,389.36
  5. Step 5: Solve for x
    x = 13,658,023,389.36/133,654.50
  6. Step 6: Final answer
    x = 102,189.03

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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.