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Finding the Fourth Proportional to 66,446,903.70, 99,670,355.55 and 53,009,975.70

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Solution

The fourth proportional to 66,446,903.70, 99,670,355.55 and 53,009,975.70 is: 79,514,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446,903.70 : 99,670,355.55 = 53,009,975.70 : x
  2. Step 2: Convert to fraction form
    66,446,903.70/99,670,355.55 = 53,009,975.70/x
  3. Step 3: Cross multiply
    66,446,903.70x = 99,670,355.55 × 53,009,975.70
  4. Step 4: Simplify right side
    66,446,903.70x = 5,283,523,125,715,860
  5. Step 5: Solve for x
    x = 5,283,523,125,715,860/66,446,903.70
  6. Step 6: Final answer
    x = 79,514,963.55

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