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Finding the Fourth Proportional to 137,225.44, 206,027.06 and 69,803.11

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Solution

The fourth proportional to 137,225.44, 206,027.06 and 69,803.11 is: 104,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,225.44 : 206,027.06 = 69,803.11 : x
  2. Step 2: Convert to fraction form
    137,225.44/206,027.06 = 69,803.11/x
  3. Step 3: Cross multiply
    137,225.44x = 206,027.06 × 69,803.11
  4. Step 4: Simplify right side
    137,225.44x = 14,381,329,532.16
  5. Step 5: Solve for x
    x = 14,381,329,532.16/137,225.44
  6. Step 6: Final answer
    x = 104,800.75

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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.