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Finding the Fourth Proportional to 168,045.30, 251,995.05 and 55,682.10

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Solution

The fourth proportional to 168,045.30, 251,995.05 and 55,682.10 is: 83,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,045.30 : 251,995.05 = 55,682.10 : x
  2. Step 2: Convert to fraction form
    168,045.30/251,995.05 = 55,682.10/x
  3. Step 3: Cross multiply
    168,045.30x = 251,995.05 × 55,682.10
  4. Step 4: Simplify right side
    168,045.30x = 14,031,613,573.61
  5. Step 5: Solve for x
    x = 14,031,613,573.61/168,045.30
  6. Step 6: Final answer
    x = 83,498.99

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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.