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Finding the Fourth Proportional to 102,572.80, 153,859.20 and 52,806.40

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Solution

The fourth proportional to 102,572.80, 153,859.20 and 52,806.40 is: 79,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,572.80 : 153,859.20 = 52,806.40 : x
  2. Step 2: Convert to fraction form
    102,572.80/153,859.20 = 52,806.40/x
  3. Step 3: Cross multiply
    102,572.80x = 153,859.20 × 52,806.40
  4. Step 4: Simplify right side
    102,572.80x = 8,124,750,458.88
  5. Step 5: Solve for x
    x = 8,124,750,458.88/102,572.80
  6. Step 6: Final answer
    x = 79,209.60

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