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Finding the Fourth Proportional to 173,857.88, 260,786.64 and 55,538.30

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Solution

The fourth proportional to 173,857.88, 260,786.64 and 55,538.30 is: 83,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,857.88 : 260,786.64 = 55,538.30 : x
  2. Step 2: Convert to fraction form
    173,857.88/260,786.64 = 55,538.30/x
  3. Step 3: Cross multiply
    173,857.88x = 260,786.64 × 55,538.30
  4. Step 4: Simplify right side
    173,857.88x = 14,483,646,648.31
  5. Step 5: Solve for x
    x = 14,483,646,648.31/173,857.88
  6. Step 6: Final answer
    x = 83,307.39

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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.