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Finding the Fourth Proportional to 97,463.28, 134,489.64 and 55,013.64

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Solution

The fourth proportional to 97,463.28, 134,489.64 and 55,013.64 is: 75,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,463.28 : 134,489.64 = 55,013.64 : x
  2. Step 2: Convert to fraction form
    97,463.28/134,489.64 = 55,013.64/x
  3. Step 3: Cross multiply
    97,463.28x = 134,489.64 × 55,013.64
  4. Step 4: Simplify right side
    97,463.28x = 7,398,764,638.69
  5. Step 5: Solve for x
    x = 7,398,764,638.69/97,463.28
  6. Step 6: Final answer
    x = 75,913.36

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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.