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Finding the Fourth Proportional to 80,313.52, 110,835.54 and 48,476.20

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Solution

The fourth proportional to 80,313.52, 110,835.54 and 48,476.20 is: 66,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,313.52 : 110,835.54 = 48,476.20 : x
  2. Step 2: Convert to fraction form
    80,313.52/110,835.54 = 48,476.20/x
  3. Step 3: Cross multiply
    80,313.52x = 110,835.54 × 48,476.20
  4. Step 4: Simplify right side
    80,313.52x = 5,372,885,804.15
  5. Step 5: Solve for x
    x = 5,372,885,804.15/80,313.52
  6. Step 6: Final answer
    x = 66,898.90

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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.