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Finding the Fourth Proportional to 315,569.69, 473,358.72 and 105,207.69

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Solution

The fourth proportional to 315,569.69, 473,358.72 and 105,207.69 is: 157,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,569.69 : 473,358.72 = 105,207.69 : x
  2. Step 2: Convert to fraction form
    315,569.69/473,358.72 = 105,207.69/x
  3. Step 3: Cross multiply
    315,569.69x = 473,358.72 × 105,207.69
  4. Step 4: Simplify right side
    315,569.69x = 49,800,977,472.56
  5. Step 5: Solve for x
    x = 49,800,977,472.56/315,569.69
  6. Step 6: Final answer
    x = 157,812.93

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