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Finding the Fourth Proportional to 173,492.64, 239,435.28 and 109,006.56

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Solution

The fourth proportional to 173,492.64, 239,435.28 and 109,006.56 is: 150,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,492.64 : 239,435.28 = 109,006.56 : x
  2. Step 2: Convert to fraction form
    173,492.64/239,435.28 = 109,006.56/x
  3. Step 3: Cross multiply
    173,492.64x = 239,435.28 × 109,006.56
  4. Step 4: Simplify right side
    173,492.64x = 26,100,016,215.44
  5. Step 5: Solve for x
    x = 26,100,016,215.44/173,492.64
  6. Step 6: Final answer
    x = 150,438.75

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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.