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Finding the Fourth Proportional to 121,793.73, 168,096.74 and 70,822.23

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Solution

The fourth proportional to 121,793.73, 168,096.74 and 70,822.23 is: 97,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,793.73 : 168,096.74 = 70,822.23 : x
  2. Step 2: Convert to fraction form
    121,793.73/168,096.74 = 70,822.23/x
  3. Step 3: Cross multiply
    121,793.73x = 168,096.74 × 70,822.23
  4. Step 4: Simplify right side
    121,793.73x = 11,904,985,628.42
  5. Step 5: Solve for x
    x = 11,904,985,628.42/121,793.73
  6. Step 6: Final answer
    x = 97,747.11

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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.