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Finding the Fourth Proportional to 192,548.92, 265,798.40 and 117,123.64

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Solution

The fourth proportional to 192,548.92, 265,798.40 and 117,123.64 is: 161,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,548.92 : 265,798.40 = 117,123.64 : x
  2. Step 2: Convert to fraction form
    192,548.92/265,798.40 = 117,123.64/x
  3. Step 3: Cross multiply
    192,548.92x = 265,798.40 × 117,123.64
  4. Step 4: Simplify right side
    192,548.92x = 31,131,276,114.18
  5. Step 5: Solve for x
    x = 31,131,276,114.18/192,548.92
  6. Step 6: Final answer
    x = 161,679.83

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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.