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Finding the Fourth Proportional to 133,959.72, 184,916.34 and 100,522.92

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Solution

The fourth proportional to 133,959.72, 184,916.34 and 100,522.92 is: 138,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,959.72 : 184,916.34 = 100,522.92 : x
  2. Step 2: Convert to fraction form
    133,959.72/184,916.34 = 100,522.92/x
  3. Step 3: Cross multiply
    133,959.72x = 184,916.34 × 100,522.92
  4. Step 4: Simplify right side
    133,959.72x = 18,588,330,452.51
  5. Step 5: Solve for x
    x = 18,588,330,452.51/133,959.72
  6. Step 6: Final answer
    x = 138,760.59

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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.