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Finding the Fourth Proportional to 448,000.30, 672,131.64 and 132,465.40

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Solution

The fourth proportional to 448,000.30, 672,131.64 and 132,465.40 is: 198,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,000.30 : 672,131.64 = 132,465.40 : x
  2. Step 2: Convert to fraction form
    448,000.30/672,131.64 = 132,465.40/x
  3. Step 3: Cross multiply
    448,000.30x = 672,131.64 × 132,465.40
  4. Step 4: Simplify right side
    448,000.30x = 89,034,186,545.26
  5. Step 5: Solve for x
    x = 89,034,186,545.26/448,000.30
  6. Step 6: Final answer
    x = 198,736.89

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