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Finding the Fourth Proportional to 54,303,893.60, 81,455,840.40 and 54,303,893.60

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Solution

The fourth proportional to 54,303,893.60, 81,455,840.40 and 54,303,893.60 is: 81,455,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303,893.60 : 81,455,840.40 = 54,303,893.60 : x
  2. Step 2: Convert to fraction form
    54,303,893.60/81,455,840.40 = 54,303,893.60/x
  3. Step 3: Cross multiply
    54,303,893.60x = 81,455,840.40 × 54,303,893.60
  4. Step 4: Simplify right side
    54,303,893.60x = 4,423,369,290,180,182
  5. Step 5: Solve for x
    x = 4,423,369,290,180,182/54,303,893.60
  6. Step 6: Final answer
    x = 81,455,840.40

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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.