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Finding the Fourth Proportional to 156,753.87, 235,126.70 and 55,550.45

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Solution

The fourth proportional to 156,753.87, 235,126.70 and 55,550.45 is: 83,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,753.87 : 235,126.70 = 55,550.45 : x
  2. Step 2: Convert to fraction form
    156,753.87/235,126.70 = 55,550.45/x
  3. Step 3: Cross multiply
    156,753.87x = 235,126.70 × 55,550.45
  4. Step 4: Simplify right side
    156,753.87x = 13,061,392,538.63
  5. Step 5: Solve for x
    x = 13,061,392,538.63/156,753.87
  6. Step 6: Final answer
    x = 83,324.21

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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.