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Finding the Fourth Proportional to 147,265.40, 220,898.10 and 72,397.10

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Solution

The fourth proportional to 147,265.40, 220,898.10 and 72,397.10 is: 108,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,265.40 : 220,898.10 = 72,397.10 : x
  2. Step 2: Convert to fraction form
    147,265.40/220,898.10 = 72,397.10/x
  3. Step 3: Cross multiply
    147,265.40x = 220,898.10 × 72,397.10
  4. Step 4: Simplify right side
    147,265.40x = 15,992,381,835.51
  5. Step 5: Solve for x
    x = 15,992,381,835.51/147,265.40
  6. Step 6: Final answer
    x = 108,595.65

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