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Finding the Fourth Proportional to 167,574.80, 251,621.40 and 97,590.80

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Solution

The fourth proportional to 167,574.80, 251,621.40 and 97,590.80 is: 146,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,574.80 : 251,621.40 = 97,590.80 : x
  2. Step 2: Convert to fraction form
    167,574.80/251,621.40 = 97,590.80/x
  3. Step 3: Cross multiply
    167,574.80x = 251,621.40 × 97,590.80
  4. Step 4: Simplify right side
    167,574.80x = 24,555,933,723.12
  5. Step 5: Solve for x
    x = 24,555,933,723.12/167,574.80
  6. Step 6: Final answer
    x = 146,537.15

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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.