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Finding the Fourth Proportional to 237,489.69, 327,736.27 and 128,595.22

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Solution

The fourth proportional to 237,489.69, 327,736.27 and 128,595.22 is: 177,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,489.69 : 327,736.27 = 128,595.22 : x
  2. Step 2: Convert to fraction form
    237,489.69/327,736.27 = 128,595.22/x
  3. Step 3: Cross multiply
    237,489.69x = 327,736.27 × 128,595.22
  4. Step 4: Simplify right side
    237,489.69x = 42,145,316,103.95
  5. Step 5: Solve for x
    x = 42,145,316,103.95/237,489.69
  6. Step 6: Final answer
    x = 177,461.67

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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.