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Finding the Fourth Proportional to 266,101.52, 399,151.56 and 108,292.64

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Solution

The fourth proportional to 266,101.52, 399,151.56 and 108,292.64 is: 162,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,101.52 : 399,151.56 = 108,292.64 : x
  2. Step 2: Convert to fraction form
    266,101.52/399,151.56 = 108,292.64/x
  3. Step 3: Cross multiply
    266,101.52x = 399,151.56 × 108,292.64
  4. Step 4: Simplify right side
    266,101.52x = 43,225,176,192.52
  5. Step 5: Solve for x
    x = 43,225,176,192.52/266,101.52
  6. Step 6: Final answer
    x = 162,438.67

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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.