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Finding the Fourth Proportional to 357,888.80, 536,831.84 and 91,648.96

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Solution

The fourth proportional to 357,888.80, 536,831.84 and 91,648.96 is: 137,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,888.80 : 536,831.84 = 91,648.96 : x
  2. Step 2: Convert to fraction form
    357,888.80/536,831.84 = 91,648.96/x
  3. Step 3: Cross multiply
    357,888.80x = 536,831.84 × 91,648.96
  4. Step 4: Simplify right side
    357,888.80x = 49,200,079,830.89
  5. Step 5: Solve for x
    x = 49,200,079,830.89/357,888.80
  6. Step 6: Final answer
    x = 137,473.09

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