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Finding the Fourth Proportional to 133,857.69, 184,728.72 and 73,430.88

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Solution

The fourth proportional to 133,857.69, 184,728.72 and 73,430.88 is: 101,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.69 : 184,728.72 = 73,430.88 : x
  2. Step 2: Convert to fraction form
    133,857.69/184,728.72 = 73,430.88/x
  3. Step 3: Cross multiply
    133,857.69x = 184,728.72 × 73,430.88
  4. Step 4: Simplify right side
    133,857.69x = 13,564,792,470.87
  5. Step 5: Solve for x
    x = 13,564,792,470.87/133,857.69
  6. Step 6: Final answer
    x = 101,337.42

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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.