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Finding the Fourth Proportional to 133,642.60, 184,426.72 and 73,213.15

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Solution

The fourth proportional to 133,642.60, 184,426.72 and 73,213.15 is: 101,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,642.60 : 184,426.72 = 73,213.15 : x
  2. Step 2: Convert to fraction form
    133,642.60/184,426.72 = 73,213.15/x
  3. Step 3: Cross multiply
    133,642.60x = 184,426.72 × 73,213.15
  4. Step 4: Simplify right side
    133,642.60x = 13,502,461,115.37
  5. Step 5: Solve for x
    x = 13,502,461,115.37/133,642.60
  6. Step 6: Final answer
    x = 101,034.11

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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.