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Finding the Fourth Proportional to 42,705.70, 64,123.35 and 32,856.10

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Solution

The fourth proportional to 42,705.70, 64,123.35 and 32,856.10 is: 49,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705.70 : 64,123.35 = 32,856.10 : x
  2. Step 2: Convert to fraction form
    42,705.70/64,123.35 = 32,856.10/x
  3. Step 3: Cross multiply
    42,705.70x = 64,123.35 × 32,856.10
  4. Step 4: Simplify right side
    42,705.70x = 2,106,843,199.94
  5. Step 5: Solve for x
    x = 2,106,843,199.94/42,705.70
  6. Step 6: Final answer
    x = 49,334.00

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