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Finding the Fourth Proportional to 69,466.76, 104,200.12 and 16,875.90

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Solution

The fourth proportional to 69,466.76, 104,200.12 and 16,875.90 is: 25,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,466.76 : 104,200.12 = 16,875.90 : x
  2. Step 2: Convert to fraction form
    69,466.76/104,200.12 = 16,875.90/x
  3. Step 3: Cross multiply
    69,466.76x = 104,200.12 × 16,875.90
  4. Step 4: Simplify right side
    69,466.76x = 1,758,470,805.11
  5. Step 5: Solve for x
    x = 1,758,470,805.11/69,466.76
  6. Step 6: Final answer
    x = 25,313.85

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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.