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Finding the Fourth Proportional to 145,903.61, 218,724.15 and 52,387.49

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Solution

The fourth proportional to 145,903.61, 218,724.15 and 52,387.49 is: 78,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,903.61 : 218,724.15 = 52,387.49 : x
  2. Step 2: Convert to fraction form
    145,903.61/218,724.15 = 52,387.49/x
  3. Step 3: Cross multiply
    145,903.61x = 218,724.15 × 52,387.49
  4. Step 4: Simplify right side
    145,903.61x = 11,458,409,220.88
  5. Step 5: Solve for x
    x = 11,458,409,220.88/145,903.61
  6. Step 6: Final answer
    x = 78,534.10

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