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Finding the Fourth Proportional to 133,488.90, 184,206.69 and 73,047.54

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Solution

The fourth proportional to 133,488.90, 184,206.69 and 73,047.54 is: 100,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,488.90 : 184,206.69 = 73,047.54 : x
  2. Step 2: Convert to fraction form
    133,488.90/184,206.69 = 73,047.54/x
  3. Step 3: Cross multiply
    133,488.90x = 184,206.69 × 73,047.54
  4. Step 4: Simplify right side
    133,488.90x = 13,455,845,556.04
  5. Step 5: Solve for x
    x = 13,455,845,556.04/133,488.90
  6. Step 6: Final answer
    x = 100,801.23

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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.