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Finding the Fourth Proportional to 114,672.12, 158,247.91 and 63,684.98

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Solution

The fourth proportional to 114,672.12, 158,247.91 and 63,684.98 is: 87,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,672.12 : 158,247.91 = 63,684.98 : x
  2. Step 2: Convert to fraction form
    114,672.12/158,247.91 = 63,684.98/x
  3. Step 3: Cross multiply
    114,672.12x = 158,247.91 × 63,684.98
  4. Step 4: Simplify right side
    114,672.12x = 10,078,014,983.39
  5. Step 5: Solve for x
    x = 10,078,014,983.39/114,672.12
  6. Step 6: Final answer
    x = 87,885.49

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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.