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Finding the Fourth Proportional to 96,245.40, 132,816.44 and 53,807.88

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Solution

The fourth proportional to 96,245.40, 132,816.44 and 53,807.88 is: 74,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,245.40 : 132,816.44 = 53,807.88 : x
  2. Step 2: Convert to fraction form
    96,245.40/132,816.44 = 53,807.88/x
  3. Step 3: Cross multiply
    96,245.40x = 132,816.44 × 53,807.88
  4. Step 4: Simplify right side
    96,245.40x = 7,146,571,065.55
  5. Step 5: Solve for x
    x = 7,146,571,065.55/96,245.40
  6. Step 6: Final answer
    x = 74,253.64

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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.