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Finding the Fourth Proportional to 54,395,787.80, 81,593,681.70 and 16,057,240.40

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Solution

The fourth proportional to 54,395,787.80, 81,593,681.70 and 16,057,240.40 is: 24,085,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395,787.80 : 81,593,681.70 = 16,057,240.40 : x
  2. Step 2: Convert to fraction form
    54,395,787.80/81,593,681.70 = 16,057,240.40/x
  3. Step 3: Cross multiply
    54,395,787.80x = 81,593,681.70 × 16,057,240.40
  4. Step 4: Simplify right side
    54,395,787.80x = 1,310,169,362,177,980.75
  5. Step 5: Solve for x
    x = 1,310,169,362,177,980.75/54,395,787.80
  6. Step 6: Final answer
    x = 24,085,860.60

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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.