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Finding the Fourth Proportional to 94,382.88, 130,261.12 and 86,410.88

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Solution

The fourth proportional to 94,382.88, 130,261.12 and 86,410.88 is: 119,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,382.88 : 130,261.12 = 86,410.88 : x
  2. Step 2: Convert to fraction form
    94,382.88/130,261.12 = 86,410.88/x
  3. Step 3: Cross multiply
    94,382.88x = 130,261.12 × 86,410.88
  4. Step 4: Simplify right side
    94,382.88x = 11,255,978,008.99
  5. Step 5: Solve for x
    x = 11,255,978,008.99/94,382.88
  6. Step 6: Final answer
    x = 119,258.68

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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.