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Finding the Fourth Proportional to 167,472.10, 251,421.32 and 108,554.32

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Solution

The fourth proportional to 167,472.10, 251,421.32 and 108,554.32 is: 162,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,472.10 : 251,421.32 = 108,554.32 : x
  2. Step 2: Convert to fraction form
    167,472.10/251,421.32 = 108,554.32/x
  3. Step 3: Cross multiply
    167,472.10x = 251,421.32 × 108,554.32
  4. Step 4: Simplify right side
    167,472.10x = 27,292,870,426.10
  5. Step 5: Solve for x
    x = 27,292,870,426.10/167,472.10
  6. Step 6: Final answer
    x = 162,969.66

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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.