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Finding the Fourth Proportional to 80,316.76, 110,837.02 and 48,485.72

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Solution

The fourth proportional to 80,316.76, 110,837.02 and 48,485.72 is: 66,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,316.76 : 110,837.02 = 48,485.72 : x
  2. Step 2: Convert to fraction form
    80,316.76/110,837.02 = 48,485.72/x
  3. Step 3: Cross multiply
    80,316.76x = 110,837.02 × 48,485.72
  4. Step 4: Simplify right side
    80,316.76x = 5,374,012,717.35
  5. Step 5: Solve for x
    x = 5,374,012,717.35/80,316.76
  6. Step 6: Final answer
    x = 66,910.23

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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.