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Finding the Fourth Proportional to 134,159.28, 185,107.32 and 74,543.28

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Solution

The fourth proportional to 134,159.28, 185,107.32 and 74,543.28 is: 102,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,159.28 : 185,107.32 = 74,543.28 : x
  2. Step 2: Convert to fraction form
    134,159.28/185,107.32 = 74,543.28/x
  3. Step 3: Cross multiply
    134,159.28x = 185,107.32 × 74,543.28
  4. Step 4: Simplify right side
    134,159.28x = 13,798,506,784.81
  5. Step 5: Solve for x
    x = 13,798,506,784.81/134,159.28
  6. Step 6: Final answer
    x = 102,851.68

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