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Finding the Fourth Proportional to 295,245.80, 442,868.70 and 145,514.60

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Solution

The fourth proportional to 295,245.80, 442,868.70 and 145,514.60 is: 218,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245.80 : 442,868.70 = 145,514.60 : x
  2. Step 2: Convert to fraction form
    295,245.80/442,868.70 = 145,514.60/x
  3. Step 3: Cross multiply
    295,245.80x = 442,868.70 × 145,514.60
  4. Step 4: Simplify right side
    295,245.80x = 64,443,861,733.02
  5. Step 5: Solve for x
    x = 64,443,861,733.02/295,245.80
  6. Step 6: Final answer
    x = 218,271.90

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