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Finding the Fourth Proportional to 54,454,912.40, 76,293,564.40 and 54,454,912.40

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Solution

The fourth proportional to 54,454,912.40, 76,293,564.40 and 54,454,912.40 is: 76,293,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454,912.40 : 76,293,564.40 = 54,454,912.40 : x
  2. Step 2: Convert to fraction form
    54,454,912.40/76,293,564.40 = 54,454,912.40/x
  3. Step 3: Cross multiply
    54,454,912.40x = 76,293,564.40 × 54,454,912.40
  4. Step 4: Simplify right side
    54,454,912.40x = 4,154,559,366,085,759
  5. Step 5: Solve for x
    x = 4,154,559,366,085,759/54,454,912.40
  6. Step 6: Final answer
    x = 76,293,564.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.