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Finding the Fourth Proportional to 196,848.80, 294,835.80 and 161,856.80

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Solution

The fourth proportional to 196,848.80, 294,835.80 and 161,856.80 is: 242,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,848.80 : 294,835.80 = 161,856.80 : x
  2. Step 2: Convert to fraction form
    196,848.80/294,835.80 = 161,856.80/x
  3. Step 3: Cross multiply
    196,848.80x = 294,835.80 × 161,856.80
  4. Step 4: Simplify right side
    196,848.80x = 47,721,179,113.44
  5. Step 5: Solve for x
    x = 47,721,179,113.44/196,848.80
  6. Step 6: Final answer
    x = 242,425.55

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1.5x scale

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.