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Finding the Fourth Proportional to 78,550.12, 108,390.90 and 44,547.70

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Solution

The fourth proportional to 78,550.12, 108,390.90 and 44,547.70 is: 61,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,550.12 : 108,390.90 = 44,547.70 : x
  2. Step 2: Convert to fraction form
    78,550.12/108,390.90 = 44,547.70/x
  3. Step 3: Cross multiply
    78,550.12x = 108,390.90 × 44,547.70
  4. Step 4: Simplify right side
    78,550.12x = 4,828,565,295.93
  5. Step 5: Solve for x
    x = 4,828,565,295.93/78,550.12
  6. Step 6: Final answer
    x = 61,471.14

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