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Finding the Fourth Proportional to 182,351.21, 251,619.86 and 105,858.18

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Solution

The fourth proportional to 182,351.21, 251,619.86 and 105,858.18 is: 146,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,351.21 : 251,619.86 = 105,858.18 : x
  2. Step 2: Convert to fraction form
    182,351.21/251,619.86 = 105,858.18/x
  3. Step 3: Cross multiply
    182,351.21x = 251,619.86 × 105,858.18
  4. Step 4: Simplify right side
    182,351.21x = 26,636,019,902.16
  5. Step 5: Solve for x
    x = 26,636,019,902.16/182,351.21
  6. Step 6: Final answer
    x = 146,069.89

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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.