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Finding the Fourth Proportional to 133,870.53, 184,739.74 and 73,441.63

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Solution

The fourth proportional to 133,870.53, 184,739.74 and 73,441.63 is: 101,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,870.53 : 184,739.74 = 73,441.63 : x
  2. Step 2: Convert to fraction form
    133,870.53/184,739.74 = 73,441.63/x
  3. Step 3: Cross multiply
    133,870.53x = 184,739.74 × 73,441.63
  4. Step 4: Simplify right side
    133,870.53x = 13,567,587,631.38
  5. Step 5: Solve for x
    x = 13,567,587,631.38/133,870.53
  6. Step 6: Final answer
    x = 101,348.58

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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.