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Finding the Fourth Proportional to 86,060.62, 118,774.80 and 48,334.88

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Solution

The fourth proportional to 86,060.62, 118,774.80 and 48,334.88 is: 66,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060.62 : 118,774.80 = 48,334.88 : x
  2. Step 2: Convert to fraction form
    86,060.62/118,774.80 = 48,334.88/x
  3. Step 3: Cross multiply
    86,060.62x = 118,774.80 × 48,334.88
  4. Step 4: Simplify right side
    86,060.62x = 5,740,965,705.02
  5. Step 5: Solve for x
    x = 5,740,965,705.02/86,060.62
  6. Step 6: Final answer
    x = 66,708.39

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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.