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Finding the Fourth Proportional to 93,504.42, 128,913.66 and 69,228.72

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Solution

The fourth proportional to 93,504.42, 128,913.66 and 69,228.72 is: 95,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,504.42 : 128,913.66 = 69,228.72 : x
  2. Step 2: Convert to fraction form
    93,504.42/128,913.66 = 69,228.72/x
  3. Step 3: Cross multiply
    93,504.42x = 128,913.66 × 69,228.72
  4. Step 4: Simplify right side
    93,504.42x = 8,924,527,672.32
  5. Step 5: Solve for x
    x = 8,924,527,672.32/93,504.42
  6. Step 6: Final answer
    x = 95,444.98

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