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Finding the Fourth Proportional to 104,920.56, 157,380.62 and 32,878.98

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Solution

The fourth proportional to 104,920.56, 157,380.62 and 32,878.98 is: 49,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,920.56 : 157,380.62 = 32,878.98 : x
  2. Step 2: Convert to fraction form
    104,920.56/157,380.62 = 32,878.98/x
  3. Step 3: Cross multiply
    104,920.56x = 157,380.62 × 32,878.98
  4. Step 4: Simplify right side
    104,920.56x = 5,174,514,257.37
  5. Step 5: Solve for x
    x = 5,174,514,257.37/104,920.56
  6. Step 6: Final answer
    x = 49,318.40

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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.