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Finding the Fourth Proportional to 72,432,109.80, 108,648,164.70 and 49,473,858.60

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Solution

The fourth proportional to 72,432,109.80, 108,648,164.70 and 49,473,858.60 is: 74,210,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,432,109.80 : 108,648,164.70 = 49,473,858.60 : x
  2. Step 2: Convert to fraction form
    72,432,109.80/108,648,164.70 = 49,473,858.60/x
  3. Step 3: Cross multiply
    72,432,109.80x = 108,648,164.70 × 49,473,858.60
  4. Step 4: Simplify right side
    72,432,109.80x = 5,375,243,937,517,312
  5. Step 5: Solve for x
    x = 5,375,243,937,517,312/72,432,109.80
  6. Step 6: Final answer
    x = 74,210,787.90

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