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Finding the Fourth Proportional to 168,666.69, 232,792.50 and 108,313.59

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Solution

The fourth proportional to 168,666.69, 232,792.50 and 108,313.59 is: 149,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,666.69 : 232,792.50 = 108,313.59 : x
  2. Step 2: Convert to fraction form
    168,666.69/232,792.50 = 108,313.59/x
  3. Step 3: Cross multiply
    168,666.69x = 232,792.50 × 108,313.59
  4. Step 4: Simplify right side
    168,666.69x = 25,214,591,400.08
  5. Step 5: Solve for x
    x = 25,214,591,400.08/168,666.69
  6. Step 6: Final answer
    x = 149,493.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.