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Finding the Fourth Proportional to 292,394.54, 438,607.76 and 92,700.49

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Solution

The fourth proportional to 292,394.54, 438,607.76 and 92,700.49 is: 139,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,394.54 : 438,607.76 = 92,700.49 : x
  2. Step 2: Convert to fraction form
    292,394.54/438,607.76 = 92,700.49/x
  3. Step 3: Cross multiply
    292,394.54x = 438,607.76 × 92,700.49
  4. Step 4: Simplify right side
    292,394.54x = 40,659,152,756.46
  5. Step 5: Solve for x
    x = 40,659,152,756.46/292,394.54
  6. Step 6: Final answer
    x = 139,055.78

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