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Finding the Fourth Proportional to 78,938.10, 118,303.47 and 37,396.98

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Solution

The fourth proportional to 78,938.10, 118,303.47 and 37,396.98 is: 56,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,938.10 : 118,303.47 = 37,396.98 : x
  2. Step 2: Convert to fraction form
    78,938.10/118,303.47 = 37,396.98/x
  3. Step 3: Cross multiply
    78,938.10x = 118,303.47 × 37,396.98
  4. Step 4: Simplify right side
    78,938.10x = 4,424,192,501.52
  5. Step 5: Solve for x
    x = 4,424,192,501.52/78,938.10
  6. Step 6: Final answer
    x = 56,046.35

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