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Finding the Fourth Proportional to 251,389.94, 346,924.96 and 136,676.30

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Solution

The fourth proportional to 251,389.94, 346,924.96 and 136,676.30 is: 188,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,389.94 : 346,924.96 = 136,676.30 : x
  2. Step 2: Convert to fraction form
    251,389.94/346,924.96 = 136,676.30/x
  3. Step 3: Cross multiply
    251,389.94x = 346,924.96 × 136,676.30
  4. Step 4: Simplify right side
    251,389.94x = 47,416,420,436.07
  5. Step 5: Solve for x
    x = 47,416,420,436.07/251,389.94
  6. Step 6: Final answer
    x = 188,617.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.