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Finding the Fourth Proportional to 181,883.66, 250,999.34 and 105,447.17

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Solution

The fourth proportional to 181,883.66, 250,999.34 and 105,447.17 is: 145,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,883.66 : 250,999.34 = 105,447.17 : x
  2. Step 2: Convert to fraction form
    181,883.66/250,999.34 = 105,447.17/x
  3. Step 3: Cross multiply
    181,883.66x = 250,999.34 × 105,447.17
  4. Step 4: Simplify right side
    181,883.66x = 26,467,168,292.64
  5. Step 5: Solve for x
    x = 26,467,168,292.64/181,883.66
  6. Step 6: Final answer
    x = 145,517.02

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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.