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Finding the Fourth Proportional to 68,904.06, 95,088.60 and 38,695.92

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Solution

The fourth proportional to 68,904.06, 95,088.60 and 38,695.92 is: 53,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.06 : 95,088.60 = 38,695.92 : x
  2. Step 2: Convert to fraction form
    68,904.06/95,088.60 = 38,695.92/x
  3. Step 3: Cross multiply
    68,904.06x = 95,088.60 × 38,695.92
  4. Step 4: Simplify right side
    68,904.06x = 3,679,540,858.51
  5. Step 5: Solve for x
    x = 3,679,540,858.51/68,904.06
  6. Step 6: Final answer
    x = 53,400.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.