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Finding the Fourth Proportional to 107,103.48, 160,688.79 and 64,455.45

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Solution

The fourth proportional to 107,103.48, 160,688.79 and 64,455.45 is: 96,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,103.48 : 160,688.79 = 64,455.45 : x
  2. Step 2: Convert to fraction form
    107,103.48/160,688.79 = 64,455.45/x
  3. Step 3: Cross multiply
    107,103.48x = 160,688.79 × 64,455.45
  4. Step 4: Simplify right side
    107,103.48x = 10,357,268,269.41
  5. Step 5: Solve for x
    x = 10,357,268,269.41/107,103.48
  6. Step 6: Final answer
    x = 96,703.38

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