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Finding the Fourth Proportional to 93,699,363.60, 140,362,421.40 and 82,477,040.40

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Solution

The fourth proportional to 93,699,363.60, 140,362,421.40 and 82,477,040.40 is: 123,551,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,699,363.60 : 140,362,421.40 = 82,477,040.40 : x
  2. Step 2: Convert to fraction form
    93,699,363.60/140,362,421.40 = 82,477,040.40/x
  3. Step 3: Cross multiply
    93,699,363.60x = 140,362,421.40 × 82,477,040.40
  4. Step 4: Simplify right side
    93,699,363.60x = 11,576,677,100,449,626
  5. Step 5: Solve for x
    x = 11,576,677,100,449,626/93,699,363.60
  6. Step 6: Final answer
    x = 123,551,288.46

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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.