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Finding the Fourth Proportional to 133,437.66, 184,142.32 and 73,007.43

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Solution

The fourth proportional to 133,437.66, 184,142.32 and 73,007.43 is: 100,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,437.66 : 184,142.32 = 73,007.43 : x
  2. Step 2: Convert to fraction form
    133,437.66/184,142.32 = 73,007.43/x
  3. Step 3: Cross multiply
    133,437.66x = 184,142.32 × 73,007.43
  4. Step 4: Simplify right side
    133,437.66x = 13,443,757,628.70
  5. Step 5: Solve for x
    x = 13,443,757,628.70/133,437.66
  6. Step 6: Final answer
    x = 100,749.35

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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.