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Finding the Fourth Proportional to 114,601.88, 158,148.10 and 63,611.64

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Solution

The fourth proportional to 114,601.88, 158,148.10 and 63,611.64 is: 87,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,601.88 : 158,148.10 = 63,611.64 : x
  2. Step 2: Convert to fraction form
    114,601.88/158,148.10 = 63,611.64/x
  3. Step 3: Cross multiply
    114,601.88x = 158,148.10 × 63,611.64
  4. Step 4: Simplify right side
    114,601.88x = 10,060,060,003.88
  5. Step 5: Solve for x
    x = 10,060,060,003.88/114,601.88
  6. Step 6: Final answer
    x = 87,782.68

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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.