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Finding the Fourth Proportional to 197,703.96, 272,850.98 and 112,833.72

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Solution

The fourth proportional to 197,703.96, 272,850.98 and 112,833.72 is: 155,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,703.96 : 272,850.98 = 112,833.72 : x
  2. Step 2: Convert to fraction form
    197,703.96/272,850.98 = 112,833.72/x
  3. Step 3: Cross multiply
    197,703.96x = 272,850.98 × 112,833.72
  4. Step 4: Simplify right side
    197,703.96x = 30,786,791,079.05
  5. Step 5: Solve for x
    x = 30,786,791,079.05/197,703.96
  6. Step 6: Final answer
    x = 155,721.67

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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.