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Finding the Fourth Proportional to 185,412.69, 277,954.09 and 67,057.72

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Solution

The fourth proportional to 185,412.69, 277,954.09 and 67,057.72 is: 100,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,412.69 : 277,954.09 = 67,057.72 : x
  2. Step 2: Convert to fraction form
    185,412.69/277,954.09 = 67,057.72/x
  3. Step 3: Cross multiply
    185,412.69x = 277,954.09 × 67,057.72
  4. Step 4: Simplify right side
    185,412.69x = 18,638,967,540.07
  5. Step 5: Solve for x
    x = 18,638,967,540.07/185,412.69
  6. Step 6: Final answer
    x = 100,526.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.