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Finding the Fourth Proportional to 82,666.80, 124,000.20 and 73,809.45

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Solution

The fourth proportional to 82,666.80, 124,000.20 and 73,809.45 is: 110,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,666.80 : 124,000.20 = 73,809.45 : x
  2. Step 2: Convert to fraction form
    82,666.80/124,000.20 = 73,809.45/x
  3. Step 3: Cross multiply
    82,666.80x = 124,000.20 × 73,809.45
  4. Step 4: Simplify right side
    82,666.80x = 9,152,386,561.89
  5. Step 5: Solve for x
    x = 9,152,386,561.89/82,666.80
  6. Step 6: Final answer
    x = 110,714.18

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