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Finding the Fourth Proportional to 165,759, 228,749.03 and 94,140.42

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Solution

The fourth proportional to 165,759, 228,749.03 and 94,140.42 is: 129,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,759 : 228,749.03 = 94,140.42 : x
  2. Step 2: Convert to fraction form
    165,759/228,749.03 = 94,140.42/x
  3. Step 3: Cross multiply
    165,759x = 228,749.03 × 94,140.42
  4. Step 4: Simplify right side
    165,759x = 21,534,529,758.79
  5. Step 5: Solve for x
    x = 21,534,529,758.79/165,759
  6. Step 6: Final answer
    x = 129,914.69

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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.