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Finding the Fourth Proportional to 73,911.21, 101,967.27 and 54,576.45

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Solution

The fourth proportional to 73,911.21, 101,967.27 and 54,576.45 is: 75,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911.21 : 101,967.27 = 54,576.45 : x
  2. Step 2: Convert to fraction form
    73,911.21/101,967.27 = 54,576.45/x
  3. Step 3: Cross multiply
    73,911.21x = 101,967.27 × 54,576.45
  4. Step 4: Simplify right side
    73,911.21x = 5,565,011,612.79
  5. Step 5: Solve for x
    x = 5,565,011,612.79/73,911.21
  6. Step 6: Final answer
    x = 75,293.20

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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.