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Finding the Fourth Proportional to 85,808.96, 118,404.96 and 48,083.84

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Solution

The fourth proportional to 85,808.96, 118,404.96 and 48,083.84 is: 66,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,808.96 : 118,404.96 = 48,083.84 : x
  2. Step 2: Convert to fraction form
    85,808.96/118,404.96 = 48,083.84/x
  3. Step 3: Cross multiply
    85,808.96x = 118,404.96 × 48,083.84
  4. Step 4: Simplify right side
    85,808.96x = 5,693,365,151.85
  5. Step 5: Solve for x
    x = 5,693,365,151.85/85,808.96
  6. Step 6: Final answer
    x = 66,349.31

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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.