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Finding the Fourth Proportional to 156,934.45, 235,401.68 and 156,934.45

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Solution

The fourth proportional to 156,934.45, 235,401.68 and 156,934.45 is: 235,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.45 : 235,401.68 = 156,934.45 : x
  2. Step 2: Convert to fraction form
    156,934.45/235,401.68 = 156,934.45/x
  3. Step 3: Cross multiply
    156,934.45x = 235,401.68 × 156,934.45
  4. Step 4: Simplify right side
    156,934.45x = 36,942,633,179.88
  5. Step 5: Solve for x
    x = 36,942,633,179.88/156,934.45
  6. Step 6: Final answer
    x = 235,401.68

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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.