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Finding the Fourth Proportional to 147,609.34, 203,703.24 and 80,541.34

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Solution

The fourth proportional to 147,609.34, 203,703.24 and 80,541.34 is: 111,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,609.34 : 203,703.24 = 80,541.34 : x
  2. Step 2: Convert to fraction form
    147,609.34/203,703.24 = 80,541.34/x
  3. Step 3: Cross multiply
    147,609.34x = 203,703.24 × 80,541.34
  4. Step 4: Simplify right side
    147,609.34x = 16,406,531,911.94
  5. Step 5: Solve for x
    x = 16,406,531,911.94/147,609.34
  6. Step 6: Final answer
    x = 111,148.33

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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.