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Finding the Fourth Proportional to 69,389.54, 104,125.84 and 63,742.98

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Solution

The fourth proportional to 69,389.54, 104,125.84 and 63,742.98 is: 95,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,389.54 : 104,125.84 = 63,742.98 : x
  2. Step 2: Convert to fraction form
    69,389.54/104,125.84 = 63,742.98/x
  3. Step 3: Cross multiply
    69,389.54x = 104,125.84 × 63,742.98
  4. Step 4: Simplify right side
    69,389.54x = 6,637,291,336.60
  5. Step 5: Solve for x
    x = 6,637,291,336.60/69,389.54
  6. Step 6: Final answer
    x = 95,652.62

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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.