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Finding the Fourth Proportional to 86,110.56, 118,834.56 and 48,385.44

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Solution

The fourth proportional to 86,110.56, 118,834.56 and 48,385.44 is: 66,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,110.56 : 118,834.56 = 48,385.44 : x
  2. Step 2: Convert to fraction form
    86,110.56/118,834.56 = 48,385.44/x
  3. Step 3: Cross multiply
    86,110.56x = 118,834.56 × 48,385.44
  4. Step 4: Simplify right side
    86,110.56x = 5,749,862,472.81
  5. Step 5: Solve for x
    x = 5,749,862,472.81/86,110.56
  6. Step 6: Final answer
    x = 66,773.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.