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Finding the Fourth Proportional to 266,675.88, 400,014.21 and 108,904.34

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Solution

The fourth proportional to 266,675.88, 400,014.21 and 108,904.34 is: 163,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,675.88 : 400,014.21 = 108,904.34 : x
  2. Step 2: Convert to fraction form
    266,675.88/400,014.21 = 108,904.34/x
  3. Step 3: Cross multiply
    266,675.88x = 400,014.21 × 108,904.34
  4. Step 4: Simplify right side
    266,675.88x = 43,563,283,530.67
  5. Step 5: Solve for x
    x = 43,563,283,530.67/266,675.88
  6. Step 6: Final answer
    x = 163,356.67

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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.