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Finding the Fourth Proportional to 315,632.62, 435,575.33 and 172,392.67

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Solution

The fourth proportional to 315,632.62, 435,575.33 and 172,392.67 is: 237,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,632.62 : 435,575.33 = 172,392.67 : x
  2. Step 2: Convert to fraction form
    315,632.62/435,575.33 = 172,392.67/x
  3. Step 3: Cross multiply
    315,632.62x = 435,575.33 × 172,392.67
  4. Step 4: Simplify right side
    315,632.62x = 75,089,991,084.99
  5. Step 5: Solve for x
    x = 75,089,991,084.99/315,632.62
  6. Step 6: Final answer
    x = 237,903.14

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