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Finding the Fourth Proportional to 104,728.80, 157,069.53 and 29,847.33

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Solution

The fourth proportional to 104,728.80, 157,069.53 and 29,847.33 is: 44,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.80 : 157,069.53 = 29,847.33 : x
  2. Step 2: Convert to fraction form
    104,728.80/157,069.53 = 29,847.33/x
  3. Step 3: Cross multiply
    104,728.80x = 157,069.53 × 29,847.33
  4. Step 4: Simplify right side
    104,728.80x = 4,688,106,094.85
  5. Step 5: Solve for x
    x = 4,688,106,094.85/104,728.80
  6. Step 6: Final answer
    x = 44,764.25

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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.