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Finding the Fourth Proportional to 168,693.54, 232,971.42 and 145,923.21

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Solution

The fourth proportional to 168,693.54, 232,971.42 and 145,923.21 is: 201,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,693.54 : 232,971.42 = 145,923.21 : x
  2. Step 2: Convert to fraction form
    168,693.54/232,971.42 = 145,923.21/x
  3. Step 3: Cross multiply
    168,693.54x = 232,971.42 × 145,923.21
  4. Step 4: Simplify right side
    168,693.54x = 33,995,937,444.66
  5. Step 5: Solve for x
    x = 33,995,937,444.66/168,693.54
  6. Step 6: Final answer
    x = 201,524.83

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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.