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Finding the Fourth Proportional to 163,042.56, 244,384.32 and 122,932.95

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Solution

The fourth proportional to 163,042.56, 244,384.32 and 122,932.95 is: 184,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,042.56 : 244,384.32 = 122,932.95 : x
  2. Step 2: Convert to fraction form
    163,042.56/244,384.32 = 122,932.95/x
  3. Step 3: Cross multiply
    163,042.56x = 244,384.32 × 122,932.95
  4. Step 4: Simplify right side
    163,042.56x = 30,042,885,391.34
  5. Step 5: Solve for x
    x = 30,042,885,391.34/163,042.56
  6. Step 6: Final answer
    x = 184,264.07

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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.