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Finding the Fourth Proportional to 54,302,861.60, 81,454,292.40 and 54,302,861.60

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Solution

The fourth proportional to 54,302,861.60, 81,454,292.40 and 54,302,861.60 is: 81,454,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,302,861.60 : 81,454,292.40 = 54,302,861.60 : x
  2. Step 2: Convert to fraction form
    54,302,861.60/81,454,292.40 = 54,302,861.60/x
  3. Step 3: Cross multiply
    54,302,861.60x = 81,454,292.40 × 54,302,861.60
  4. Step 4: Simplify right side
    54,302,861.60x = 4,423,201,166,923,132.50
  5. Step 5: Solve for x
    x = 4,423,201,166,923,132.50/54,302,861.60
  6. Step 6: Final answer
    x = 81,454,292.40

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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.