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Finding the Fourth Proportional to 86,915.44, 119,997.48 and 59,738.32

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Solution

The fourth proportional to 86,915.44, 119,997.48 and 59,738.32 is: 82,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,915.44 : 119,997.48 = 59,738.32 : x
  2. Step 2: Convert to fraction form
    86,915.44/119,997.48 = 59,738.32/x
  3. Step 3: Cross multiply
    86,915.44x = 119,997.48 × 59,738.32
  4. Step 4: Simplify right side
    86,915.44x = 7,168,447,859.43
  5. Step 5: Solve for x
    x = 7,168,447,859.43/86,915.44
  6. Step 6: Final answer
    x = 82,476.12

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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.