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Finding the Fourth Proportional to 140,025,289.05, 210,037,933.58 and 140,025,289.05

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Solution

The fourth proportional to 140,025,289.05, 210,037,933.58 and 140,025,289.05 is: 210,037,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,025,289.05 : 210,037,933.58 = 140,025,289.05 : x
  2. Step 2: Convert to fraction form
    140,025,289.05/210,037,933.58 = 140,025,289.05/x
  3. Step 3: Cross multiply
    140,025,289.05x = 210,037,933.58 × 140,025,289.05
  4. Step 4: Simplify right side
    140,025,289.05x = 29,410,622,360,304,076
  5. Step 5: Solve for x
    x = 29,410,622,360,304,076/140,025,289.05
  6. Step 6: Final answer
    x = 210,037,933.58

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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.