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Finding the Fourth Proportional to 169,671.70, 254,507.55 and 165,783.70

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Solution

The fourth proportional to 169,671.70, 254,507.55 and 165,783.70 is: 248,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,671.70 : 254,507.55 = 165,783.70 : x
  2. Step 2: Convert to fraction form
    169,671.70/254,507.55 = 165,783.70/x
  3. Step 3: Cross multiply
    169,671.70x = 254,507.55 × 165,783.70
  4. Step 4: Simplify right side
    169,671.70x = 42,193,203,316.94
  5. Step 5: Solve for x
    x = 42,193,203,316.94/169,671.70
  6. Step 6: Final answer
    x = 248,675.55

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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.