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Finding the Fourth Proportional to 227,980.29, 314,629.08 and 126,003.55

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Solution

The fourth proportional to 227,980.29, 314,629.08 and 126,003.55 is: 173,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,980.29 : 314,629.08 = 126,003.55 : x
  2. Step 2: Convert to fraction form
    227,980.29/314,629.08 = 126,003.55/x
  3. Step 3: Cross multiply
    227,980.29x = 314,629.08 × 126,003.55
  4. Step 4: Simplify right side
    227,980.29x = 39,644,381,013.23
  5. Step 5: Solve for x
    x = 39,644,381,013.23/227,980.29
  6. Step 6: Final answer
    x = 173,893.90

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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.