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Finding the Fourth Proportional to 178,176.40, 267,264.42 and 72,995.56

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Solution

The fourth proportional to 178,176.40, 267,264.42 and 72,995.56 is: 109,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,176.40 : 267,264.42 = 72,995.56 : x
  2. Step 2: Convert to fraction form
    178,176.40/267,264.42 = 72,995.56/x
  3. Step 3: Cross multiply
    178,176.40x = 267,264.42 × 72,995.56
  4. Step 4: Simplify right side
    178,176.40x = 19,509,116,005.98
  5. Step 5: Solve for x
    x = 19,509,116,005.98/178,176.40
  6. Step 6: Final answer
    x = 109,493.27

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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.