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Finding the Fourth Proportional to 167,894.82, 250,820.51 and 120,130.74

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Solution

The fourth proportional to 167,894.82, 250,820.51 and 120,130.74 is: 179,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,894.82 : 250,820.51 = 120,130.74 : x
  2. Step 2: Convert to fraction form
    167,894.82/250,820.51 = 120,130.74/x
  3. Step 3: Cross multiply
    167,894.82x = 250,820.51 × 120,130.74
  4. Step 4: Simplify right side
    167,894.82x = 30,131,252,872.82
  5. Step 5: Solve for x
    x = 30,131,252,872.82/167,894.82
  6. Step 6: Final answer
    x = 179,465.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.