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Finding the Fourth Proportional to 104,678.56, 157,017.84 and 29,806.48

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Solution

The fourth proportional to 104,678.56, 157,017.84 and 29,806.48 is: 44,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,678.56 : 157,017.84 = 29,806.48 : x
  2. Step 2: Convert to fraction form
    104,678.56/157,017.84 = 29,806.48/x
  3. Step 3: Cross multiply
    104,678.56x = 157,017.84 × 29,806.48
  4. Step 4: Simplify right side
    104,678.56x = 4,680,149,107.60
  5. Step 5: Solve for x
    x = 4,680,149,107.60/104,678.56
  6. Step 6: Final answer
    x = 44,709.72

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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.