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Finding the Fourth Proportional to 165,325.35, 228,151.34 and 123,858.87

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Solution

The fourth proportional to 165,325.35, 228,151.34 and 123,858.87 is: 170,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,325.35 : 228,151.34 = 123,858.87 : x
  2. Step 2: Convert to fraction form
    165,325.35/228,151.34 = 123,858.87/x
  3. Step 3: Cross multiply
    165,325.35x = 228,151.34 × 123,858.87
  4. Step 4: Simplify right side
    165,325.35x = 28,258,566,469.56
  5. Step 5: Solve for x
    x = 28,258,566,469.56/165,325.35
  6. Step 6: Final answer
    x = 170,927.01

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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.