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Finding the Fourth Proportional to 158,611.88, 237,980.09 and 69,803.09

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Solution

The fourth proportional to 158,611.88, 237,980.09 and 69,803.09 is: 104,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,611.88 : 237,980.09 = 69,803.09 : x
  2. Step 2: Convert to fraction form
    158,611.88/237,980.09 = 69,803.09/x
  3. Step 3: Cross multiply
    158,611.88x = 237,980.09 × 69,803.09
  4. Step 4: Simplify right side
    158,611.88x = 16,611,745,640.48
  5. Step 5: Solve for x
    x = 16,611,745,640.48/158,611.88
  6. Step 6: Final answer
    x = 104,732.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.