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Finding the Fourth Proportional to 175,165.88, 239,978.14 and 168,605.84

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Solution

The fourth proportional to 175,165.88, 239,978.14 and 168,605.84 is: 230,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,165.88 : 239,978.14 = 168,605.84 : x
  2. Step 2: Convert to fraction form
    175,165.88/239,978.14 = 168,605.84/x
  3. Step 3: Cross multiply
    175,165.88x = 239,978.14 × 168,605.84
  4. Step 4: Simplify right side
    175,165.88x = 40,461,715,876.34
  5. Step 5: Solve for x
    x = 40,461,715,876.34/175,165.88
  6. Step 6: Final answer
    x = 230,990.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.