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Finding the Fourth Proportional to 167,267.30, 230,829.20 and 99,297.90

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Solution

The fourth proportional to 167,267.30, 230,829.20 and 99,297.90 is: 137,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,267.30 : 230,829.20 = 99,297.90 : x
  2. Step 2: Convert to fraction form
    167,267.30/230,829.20 = 99,297.90/x
  3. Step 3: Cross multiply
    167,267.30x = 230,829.20 × 99,297.90
  4. Step 4: Simplify right side
    167,267.30x = 22,920,854,322.19
  5. Step 5: Solve for x
    x = 22,920,854,322.19/167,267.30
  6. Step 6: Final answer
    x = 137,031.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.