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Finding the Fourth Proportional to 201,139.60, 301,903.80 and 101,412.40

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Solution

The fourth proportional to 201,139.60, 301,903.80 and 101,412.40 is: 152,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,139.60 : 301,903.80 = 101,412.40 : x
  2. Step 2: Convert to fraction form
    201,139.60/301,903.80 = 101,412.40/x
  3. Step 3: Cross multiply
    201,139.60x = 301,903.80 × 101,412.40
  4. Step 4: Simplify right side
    201,139.60x = 30,616,788,927.12
  5. Step 5: Solve for x
    x = 30,616,788,927.12/201,139.60
  6. Step 6: Final answer
    x = 152,216.61

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