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Finding the Fourth Proportional to 292,505.63, 438,758.44 and 70,889.63

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Solution

The fourth proportional to 292,505.63, 438,758.44 and 70,889.63 is: 106,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,505.63 : 438,758.44 = 70,889.63 : x
  2. Step 2: Convert to fraction form
    292,505.63/438,758.44 = 70,889.63/x
  3. Step 3: Cross multiply
    292,505.63x = 438,758.44 × 70,889.63
  4. Step 4: Simplify right side
    292,505.63x = 31,103,421,099.96
  5. Step 5: Solve for x
    x = 31,103,421,099.96/292,505.63
  6. Step 6: Final answer
    x = 106,334.44

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