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Finding the Fourth Proportional to 43,702,978.30, 65,554,467.45 and 23,295,643.90

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Solution

The fourth proportional to 43,702,978.30, 65,554,467.45 and 23,295,643.90 is: 34,943,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702,978.30 : 65,554,467.45 = 23,295,643.90 : x
  2. Step 2: Convert to fraction form
    43,702,978.30/65,554,467.45 = 23,295,643.90/x
  3. Step 3: Cross multiply
    43,702,978.30x = 65,554,467.45 × 23,295,643.90
  4. Step 4: Simplify right side
    43,702,978.30x = 1,527,133,529,769,341
  5. Step 5: Solve for x
    x = 1,527,133,529,769,341/43,702,978.30
  6. Step 6: Final answer
    x = 34,943,465.85

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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.