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Finding the Fourth Proportional to 133,570.01, 184,324.21 and 73,139.56

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Solution

The fourth proportional to 133,570.01, 184,324.21 and 73,139.56 is: 100,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,570.01 : 184,324.21 = 73,139.56 : x
  2. Step 2: Convert to fraction form
    133,570.01/184,324.21 = 73,139.56/x
  3. Step 3: Cross multiply
    133,570.01x = 184,324.21 × 73,139.56
  4. Step 4: Simplify right side
    133,570.01x = 13,481,390,973.09
  5. Step 5: Solve for x
    x = 13,481,390,973.09/133,570.01
  6. Step 6: Final answer
    x = 100,931.27

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1.5x scale

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.