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Finding the Fourth Proportional to 156,914.45, 235,371.68 and 156,914.45

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Solution

The fourth proportional to 156,914.45, 235,371.68 and 156,914.45 is: 235,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914.45 : 235,371.68 = 156,914.45 : x
  2. Step 2: Convert to fraction form
    156,914.45/235,371.68 = 156,914.45/x
  3. Step 3: Cross multiply
    156,914.45x = 235,371.68 × 156,914.45
  4. Step 4: Simplify right side
    156,914.45x = 36,933,217,712.78
  5. Step 5: Solve for x
    x = 36,933,217,712.78/156,914.45
  6. Step 6: Final answer
    x = 235,371.68

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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.