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Finding the Fourth Proportional to 43,702,648.80, 65,553,973.20 and 35,624,745.60

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Solution

The fourth proportional to 43,702,648.80, 65,553,973.20 and 35,624,745.60 is: 53,437,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702,648.80 : 65,553,973.20 = 35,624,745.60 : x
  2. Step 2: Convert to fraction form
    43,702,648.80/65,553,973.20 = 35,624,745.60/x
  3. Step 3: Cross multiply
    43,702,648.80x = 65,553,973.20 × 35,624,745.60
  4. Step 4: Simplify right side
    43,702,648.80x = 2,335,343,618,319,218
  5. Step 5: Solve for x
    x = 2,335,343,618,319,218/43,702,648.80
  6. Step 6: Final answer
    x = 53,437,118.40

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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.