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Finding the Fourth Proportional to 80,316.32, 110,840.94 and 44,505.54

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Solution

The fourth proportional to 80,316.32, 110,840.94 and 44,505.54 is: 61,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,316.32 : 110,840.94 = 44,505.54 : x
  2. Step 2: Convert to fraction form
    80,316.32/110,840.94 = 44,505.54/x
  3. Step 3: Cross multiply
    80,316.32x = 110,840.94 × 44,505.54
  4. Step 4: Simplify right side
    80,316.32x = 4,933,035,888.81
  5. Step 5: Solve for x
    x = 4,933,035,888.81/80,316.32
  6. Step 6: Final answer
    x = 61,420.09

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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.