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Finding the Fourth Proportional to 97,614.45, 134,711.07 and 63,644.88

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Solution

The fourth proportional to 97,614.45, 134,711.07 and 63,644.88 is: 87,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,614.45 : 134,711.07 = 63,644.88 : x
  2. Step 2: Convert to fraction form
    97,614.45/134,711.07 = 63,644.88/x
  3. Step 3: Cross multiply
    97,614.45x = 134,711.07 × 63,644.88
  4. Step 4: Simplify right side
    97,614.45x = 8,573,669,884.82
  5. Step 5: Solve for x
    x = 8,573,669,884.82/97,614.45
  6. Step 6: Final answer
    x = 87,831.97

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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.