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Finding the Fourth Proportional to 171,461.37, 236,616.48 and 94,980.45

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Solution

The fourth proportional to 171,461.37, 236,616.48 and 94,980.45 is: 131,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,461.37 : 236,616.48 = 94,980.45 : x
  2. Step 2: Convert to fraction form
    171,461.37/236,616.48 = 94,980.45/x
  3. Step 3: Cross multiply
    171,461.37x = 236,616.48 × 94,980.45
  4. Step 4: Simplify right side
    171,461.37x = 22,473,939,747.82
  5. Step 5: Solve for x
    x = 22,473,939,747.82/171,461.37
  6. Step 6: Final answer
    x = 131,072.90

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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.