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Finding the Fourth Proportional to 169,511.70, 254,267.55 and 43,151.70

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Solution

The fourth proportional to 169,511.70, 254,267.55 and 43,151.70 is: 64,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,511.70 : 254,267.55 = 43,151.70 : x
  2. Step 2: Convert to fraction form
    169,511.70/254,267.55 = 43,151.70/x
  3. Step 3: Cross multiply
    169,511.70x = 254,267.55 × 43,151.70
  4. Step 4: Simplify right side
    169,511.70x = 10,972,077,037.34
  5. Step 5: Solve for x
    x = 10,972,077,037.34/169,511.70
  6. Step 6: Final answer
    x = 64,727.55

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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.