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Finding the Fourth Proportional to 54,258,368.80, 81,387,553.20 and 44,054,701.60

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Solution

The fourth proportional to 54,258,368.80, 81,387,553.20 and 44,054,701.60 is: 66,082,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258,368.80 : 81,387,553.20 = 44,054,701.60 : x
  2. Step 2: Convert to fraction form
    54,258,368.80/81,387,553.20 = 44,054,701.60/x
  3. Step 3: Cross multiply
    54,258,368.80x = 81,387,553.20 × 44,054,701.60
  4. Step 4: Simplify right side
    54,258,368.80x = 3,585,504,370,180,125.50
  5. Step 5: Solve for x
    x = 3,585,504,370,180,125.50/54,258,368.80
  6. Step 6: Final answer
    x = 66,082,052.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.