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Finding the Fourth Proportional to 169,233.85, 253,278.59 and 164,679.78

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Solution

The fourth proportional to 169,233.85, 253,278.59 and 164,679.78 is: 246,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,233.85 : 253,278.59 = 164,679.78 : x
  2. Step 2: Convert to fraction form
    169,233.85/253,278.59 = 164,679.78/x
  3. Step 3: Cross multiply
    169,233.85x = 253,278.59 × 164,679.78
  4. Step 4: Simplify right side
    169,233.85x = 41,709,863,069.47
  5. Step 5: Solve for x
    x = 41,709,863,069.47/169,233.85
  6. Step 6: Final answer
    x = 246,462.89

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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.