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Finding the Fourth Proportional to 112,030.40, 168,045.60 and 59,412.80

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Solution

The fourth proportional to 112,030.40, 168,045.60 and 59,412.80 is: 89,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.40 : 168,045.60 = 59,412.80 : x
  2. Step 2: Convert to fraction form
    112,030.40/168,045.60 = 59,412.80/x
  3. Step 3: Cross multiply
    112,030.40x = 168,045.60 × 59,412.80
  4. Step 4: Simplify right side
    112,030.40x = 9,984,059,623.68
  5. Step 5: Solve for x
    x = 9,984,059,623.68/112,030.40
  6. Step 6: Final answer
    x = 89,119.20

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