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Finding the Fourth Proportional to 315,823.02, 435,841.47 and 172,589.10

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Solution

The fourth proportional to 315,823.02, 435,841.47 and 172,589.10 is: 238,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,823.02 : 435,841.47 = 172,589.10 : x
  2. Step 2: Convert to fraction form
    315,823.02/435,841.47 = 172,589.10/x
  3. Step 3: Cross multiply
    315,823.02x = 435,841.47 × 172,589.10
  4. Step 4: Simplify right side
    315,823.02x = 75,221,487,049.98
  5. Step 5: Solve for x
    x = 75,221,487,049.98/315,823.02
  6. Step 6: Final answer
    x = 238,176.07

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