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Finding the Fourth Proportional to 162,056.80, 243,083.60 and 51,248.80

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Solution

The fourth proportional to 162,056.80, 243,083.60 and 51,248.80 is: 76,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,056.80 : 243,083.60 = 51,248.80 : x
  2. Step 2: Convert to fraction form
    162,056.80/243,083.60 = 51,248.80/x
  3. Step 3: Cross multiply
    162,056.80x = 243,083.60 × 51,248.80
  4. Step 4: Simplify right side
    162,056.80x = 12,457,742,799.68
  5. Step 5: Solve for x
    x = 12,457,742,799.68/162,056.80
  6. Step 6: Final answer
    x = 76,872.69

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