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Finding the Fourth Proportional to 237,107.54, 327,196.32 and 129,656.72

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Solution

The fourth proportional to 237,107.54, 327,196.32 and 129,656.72 is: 178,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,107.54 : 327,196.32 = 129,656.72 : x
  2. Step 2: Convert to fraction form
    237,107.54/327,196.32 = 129,656.72/x
  3. Step 3: Cross multiply
    237,107.54x = 327,196.32 × 129,656.72
  4. Step 4: Simplify right side
    237,107.54x = 42,423,201,647.27
  5. Step 5: Solve for x
    x = 42,423,201,647.27/237,107.54
  6. Step 6: Final answer
    x = 178,919.67

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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.