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Finding the Fourth Proportional to 166,140.52, 248,955.54 and 112,763.08

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Solution

The fourth proportional to 166,140.52, 248,955.54 and 112,763.08 is: 168,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,140.52 : 248,955.54 = 112,763.08 : x
  2. Step 2: Convert to fraction form
    166,140.52/248,955.54 = 112,763.08/x
  3. Step 3: Cross multiply
    166,140.52x = 248,955.54 × 112,763.08
  4. Step 4: Simplify right side
    166,140.52x = 28,072,993,473.46
  5. Step 5: Solve for x
    x = 28,072,993,473.46/166,140.52
  6. Step 6: Final answer
    x = 168,971.38

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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.