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Finding the Fourth Proportional to 175,100.12, 262,229.32 and 99,992.88

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Solution

The fourth proportional to 175,100.12, 262,229.32 and 99,992.88 is: 149,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,100.12 : 262,229.32 = 99,992.88 : x
  2. Step 2: Convert to fraction form
    175,100.12/262,229.32 = 99,992.88/x
  3. Step 3: Cross multiply
    175,100.12x = 262,229.32 × 99,992.88
  4. Step 4: Simplify right side
    175,100.12x = 26,221,064,927.24
  5. Step 5: Solve for x
    x = 26,221,064,927.24/175,100.12
  6. Step 6: Final answer
    x = 149,748.98

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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.