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Finding the Fourth Proportional to 215,261.74, 322,904.74 and 65,506.90

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Solution

The fourth proportional to 215,261.74, 322,904.74 and 65,506.90 is: 98,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,261.74 : 322,904.74 = 65,506.90 : x
  2. Step 2: Convert to fraction form
    215,261.74/322,904.74 = 65,506.90/x
  3. Step 3: Cross multiply
    215,261.74x = 322,904.74 × 65,506.90
  4. Step 4: Simplify right side
    215,261.74x = 21,152,488,512.71
  5. Step 5: Solve for x
    x = 21,152,488,512.71/215,261.74
  6. Step 6: Final answer
    x = 98,264.04

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