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Finding the Fourth Proportional to 104,609.52, 144,392.76 and 71,094.96

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Solution

The fourth proportional to 104,609.52, 144,392.76 and 71,094.96 is: 98,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.52 : 144,392.76 = 71,094.96 : x
  2. Step 2: Convert to fraction form
    104,609.52/144,392.76 = 71,094.96/x
  3. Step 3: Cross multiply
    104,609.52x = 144,392.76 × 71,094.96
  4. Step 4: Simplify right side
    104,609.52x = 10,265,597,496.49
  5. Step 5: Solve for x
    x = 10,265,597,496.49/104,609.52
  6. Step 6: Final answer
    x = 98,132.54

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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.