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Finding the Fourth Proportional to 156,164.50, 234,253.32 and 45,356.50

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Solution

The fourth proportional to 156,164.50, 234,253.32 and 45,356.50 is: 68,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,164.50 : 234,253.32 = 45,356.50 : x
  2. Step 2: Convert to fraction form
    156,164.50/234,253.32 = 45,356.50/x
  3. Step 3: Cross multiply
    156,164.50x = 234,253.32 × 45,356.50
  4. Step 4: Simplify right side
    156,164.50x = 10,624,910,708.58
  5. Step 5: Solve for x
    x = 10,624,910,708.58/156,164.50
  6. Step 6: Final answer
    x = 68,036.66

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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.