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Finding the Fourth Proportional to 173,256.96, 259,912.56 and 73,417.76

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Solution

The fourth proportional to 173,256.96, 259,912.56 and 73,417.76 is: 110,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,256.96 : 259,912.56 = 73,417.76 : x
  2. Step 2: Convert to fraction form
    173,256.96/259,912.56 = 73,417.76/x
  3. Step 3: Cross multiply
    173,256.96x = 259,912.56 × 73,417.76
  4. Step 4: Simplify right side
    173,256.96x = 19,082,197,951.07
  5. Step 5: Solve for x
    x = 19,082,197,951.07/173,256.96
  6. Step 6: Final answer
    x = 110,138.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.