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Finding the Fourth Proportional to 209,953,505.70, 314,930,258.55 and 88,784,957.70

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Solution

The fourth proportional to 209,953,505.70, 314,930,258.55 and 88,784,957.70 is: 133,177,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,505.70 : 314,930,258.55 = 88,784,957.70 : x
  2. Step 2: Convert to fraction form
    209,953,505.70/314,930,258.55 = 88,784,957.70/x
  3. Step 3: Cross multiply
    209,953,505.70x = 314,930,258.55 × 88,784,957.70
  4. Step 4: Simplify right side
    209,953,505.70x = 27,961,069,683,811,816
  5. Step 5: Solve for x
    x = 27,961,069,683,811,816/209,953,505.70
  6. Step 6: Final answer
    x = 133,177,436.55

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