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Finding the Fourth Proportional to 154,266.97, 231,478.34 and 69,973.41

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Solution

The fourth proportional to 154,266.97, 231,478.34 and 69,973.41 is: 104,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,266.97 : 231,478.34 = 69,973.41 : x
  2. Step 2: Convert to fraction form
    154,266.97/231,478.34 = 69,973.41/x
  3. Step 3: Cross multiply
    154,266.97x = 231,478.34 × 69,973.41
  4. Step 4: Simplify right side
    154,266.97x = 16,197,328,790.94
  5. Step 5: Solve for x
    x = 16,197,328,790.94/154,266.97
  6. Step 6: Final answer
    x = 104,995.44

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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.