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Finding the Fourth Proportional to 495,166.80, 742,750.20 and 121,189.80

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Solution

The fourth proportional to 495,166.80, 742,750.20 and 121,189.80 is: 181,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,166.80 : 742,750.20 = 121,189.80 : x
  2. Step 2: Convert to fraction form
    495,166.80/742,750.20 = 121,189.80/x
  3. Step 3: Cross multiply
    495,166.80x = 742,750.20 × 121,189.80
  4. Step 4: Simplify right side
    495,166.80x = 90,013,748,187.96
  5. Step 5: Solve for x
    x = 90,013,748,187.96/495,166.80
  6. Step 6: Final answer
    x = 181,784.70

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