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Finding the Fourth Proportional to 169,915.88, 254,857.35 and 51,588.24

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Solution

The fourth proportional to 169,915.88, 254,857.35 and 51,588.24 is: 77,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,915.88 : 254,857.35 = 51,588.24 : x
  2. Step 2: Convert to fraction form
    169,915.88/254,857.35 = 51,588.24/x
  3. Step 3: Cross multiply
    169,915.88x = 254,857.35 × 51,588.24
  4. Step 4: Simplify right side
    169,915.88x = 13,147,642,137.56
  5. Step 5: Solve for x
    x = 13,147,642,137.56/169,915.88
  6. Step 6: Final answer
    x = 77,377.36

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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.