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Finding the Fourth Proportional to 130,511.55, 195,767.33 and 90,653.48

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Solution

The fourth proportional to 130,511.55, 195,767.33 and 90,653.48 is: 135,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,511.55 : 195,767.33 = 90,653.48 : x
  2. Step 2: Convert to fraction form
    130,511.55/195,767.33 = 90,653.48/x
  3. Step 3: Cross multiply
    130,511.55x = 195,767.33 × 90,653.48
  4. Step 4: Simplify right side
    130,511.55x = 17,746,988,302.70
  5. Step 5: Solve for x
    x = 17,746,988,302.70/130,511.55
  6. Step 6: Final answer
    x = 135,980.21

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