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Finding the Fourth Proportional to 166,485.60, 229,754.88 and 94,866.48

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Solution

The fourth proportional to 166,485.60, 229,754.88 and 94,866.48 is: 130,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485.60 : 229,754.88 = 94,866.48 : x
  2. Step 2: Convert to fraction form
    166,485.60/229,754.88 = 94,866.48/x
  3. Step 3: Cross multiply
    166,485.60x = 229,754.88 × 94,866.48
  4. Step 4: Simplify right side
    166,485.60x = 21,796,036,728.42
  5. Step 5: Solve for x
    x = 21,796,036,728.42/166,485.60
  6. Step 6: Final answer
    x = 130,918.45

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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.