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Finding the Fourth Proportional to 181,191.97, 250,026.64 and 105,784.21

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Solution

The fourth proportional to 181,191.97, 250,026.64 and 105,784.21 is: 145,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,191.97 : 250,026.64 = 105,784.21 : x
  2. Step 2: Convert to fraction form
    181,191.97/250,026.64 = 105,784.21/x
  3. Step 3: Cross multiply
    181,191.97x = 250,026.64 × 105,784.21
  4. Step 4: Simplify right side
    181,191.97x = 26,448,870,591.35
  5. Step 5: Solve for x
    x = 26,448,870,591.35/181,191.97
  6. Step 6: Final answer
    x = 145,971.54

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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.