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Finding the Fourth Proportional to 73,394,379.60, 110,091,569.40 and 30,241,370.40

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Solution

The fourth proportional to 73,394,379.60, 110,091,569.40 and 30,241,370.40 is: 45,362,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,394,379.60 : 110,091,569.40 = 30,241,370.40 : x
  2. Step 2: Convert to fraction form
    73,394,379.60/110,091,569.40 = 30,241,370.40/x
  3. Step 3: Cross multiply
    73,394,379.60x = 110,091,569.40 × 30,241,370.40
  4. Step 4: Simplify right side
    73,394,379.60x = 3,329,319,928,142,706
  5. Step 5: Solve for x
    x = 3,329,319,928,142,706/73,394,379.60
  6. Step 6: Final answer
    x = 45,362,055.60

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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.