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Finding the Fourth Proportional to 173,553.20, 259,638.60 and 156,964.40

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Solution

The fourth proportional to 173,553.20, 259,638.60 and 156,964.40 is: 234,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,553.20 : 259,638.60 = 156,964.40 : x
  2. Step 2: Convert to fraction form
    173,553.20/259,638.60 = 156,964.40/x
  3. Step 3: Cross multiply
    173,553.20x = 259,638.60 × 156,964.40
  4. Step 4: Simplify right side
    173,553.20x = 40,754,017,065.84
  5. Step 5: Solve for x
    x = 40,754,017,065.84/173,553.20
  6. Step 6: Final answer
    x = 234,821.47

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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.