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Finding the Fourth Proportional to 134,861.50, 186,109.26 and 73,608.26

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Solution

The fourth proportional to 134,861.50, 186,109.26 and 73,608.26 is: 101,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,861.50 : 186,109.26 = 73,608.26 : x
  2. Step 2: Convert to fraction form
    134,861.50/186,109.26 = 73,608.26/x
  3. Step 3: Cross multiply
    134,861.50x = 186,109.26 × 73,608.26
  4. Step 4: Simplify right side
    134,861.50x = 13,699,177,867.94
  5. Step 5: Solve for x
    x = 13,699,177,867.94/134,861.50
  6. Step 6: Final answer
    x = 101,579.60

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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.