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Finding the Fourth Proportional to 54,118,801.35, 81,178,202.03 and 54,118,801.35

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Solution

The fourth proportional to 54,118,801.35, 81,178,202.03 and 54,118,801.35 is: 81,178,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118,801.35 : 81,178,202.03 = 54,118,801.35 : x
  2. Step 2: Convert to fraction form
    54,118,801.35/81,178,202.03 = 54,118,801.35/x
  3. Step 3: Cross multiply
    54,118,801.35x = 81,178,202.03 × 54,118,801.35
  4. Step 4: Simplify right side
    54,118,801.35x = 4,393,266,989,341,143
  5. Step 5: Solve for x
    x = 4,393,266,989,341,143/54,118,801.35
  6. Step 6: Final answer
    x = 81,178,202.03

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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.