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Finding the Fourth Proportional to 114,847.88, 158,490.07 and 64,546.88

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Solution

The fourth proportional to 114,847.88, 158,490.07 and 64,546.88 is: 89,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,847.88 : 158,490.07 = 64,546.88 : x
  2. Step 2: Convert to fraction form
    114,847.88/158,490.07 = 64,546.88/x
  3. Step 3: Cross multiply
    114,847.88x = 158,490.07 × 64,546.88
  4. Step 4: Simplify right side
    114,847.88x = 10,230,038,575.66
  5. Step 5: Solve for x
    x = 10,230,038,575.66/114,847.88
  6. Step 6: Final answer
    x = 89,074.69

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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.