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Finding the Fourth Proportional to 182,443.90, 251,732.10 and 105,918.94

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Solution

The fourth proportional to 182,443.90, 251,732.10 and 105,918.94 is: 146,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,443.90 : 251,732.10 = 105,918.94 : x
  2. Step 2: Convert to fraction form
    182,443.90/251,732.10 = 105,918.94/x
  3. Step 3: Cross multiply
    182,443.90x = 251,732.10 × 105,918.94
  4. Step 4: Simplify right side
    182,443.90x = 26,663,197,195.97
  5. Step 5: Solve for x
    x = 26,663,197,195.97/182,443.90
  6. Step 6: Final answer
    x = 146,144.64

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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.