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Finding the Fourth Proportional to 168,237,233.40, 235,872,249 and 168,237,233.40

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Solution

The fourth proportional to 168,237,233.40, 235,872,249 and 168,237,233.40 is: 235,872,249

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,237,233.40 : 235,872,249 = 168,237,233.40 : x
  2. Step 2: Convert to fraction form
    168,237,233.40/235,872,249 = 168,237,233.40/x
  3. Step 3: Cross multiply
    168,237,233.40x = 235,872,249 × 168,237,233.40
  4. Step 4: Simplify right side
    168,237,233.40x = 39,682,494,607,595,920
  5. Step 5: Solve for x
    x = 39,682,494,607,595,920/168,237,233.40
  6. Step 6: Final answer
    x = 235,872,249

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.