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Finding the Fourth Proportional to 85,493.48, 118,010.52 and 58,724.60

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Solution

The fourth proportional to 85,493.48, 118,010.52 and 58,724.60 is: 81,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,493.48 : 118,010.52 = 58,724.60 : x
  2. Step 2: Convert to fraction form
    85,493.48/118,010.52 = 58,724.60/x
  3. Step 3: Cross multiply
    85,493.48x = 118,010.52 × 58,724.60
  4. Step 4: Simplify right side
    85,493.48x = 6,930,119,992.74
  5. Step 5: Solve for x
    x = 6,930,119,992.74/85,493.48
  6. Step 6: Final answer
    x = 81,060.22

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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.