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Finding the Fourth Proportional to 174,432.80, 261,649.20 and 161,602.40

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Solution

The fourth proportional to 174,432.80, 261,649.20 and 161,602.40 is: 242,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,432.80 : 261,649.20 = 161,602.40 : x
  2. Step 2: Convert to fraction form
    174,432.80/261,649.20 = 161,602.40/x
  3. Step 3: Cross multiply
    174,432.80x = 261,649.20 × 161,602.40
  4. Step 4: Simplify right side
    174,432.80x = 42,283,138,678.08
  5. Step 5: Solve for x
    x = 42,283,138,678.08/174,432.80
  6. Step 6: Final answer
    x = 242,403.60

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