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Finding the Fourth Proportional to 266,841.58, 399,866.28 and 148,349.92

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Solution

The fourth proportional to 266,841.58, 399,866.28 and 148,349.92 is: 222,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,841.58 : 399,866.28 = 148,349.92 : x
  2. Step 2: Convert to fraction form
    266,841.58/399,866.28 = 148,349.92/x
  3. Step 3: Cross multiply
    266,841.58x = 399,866.28 × 148,349.92
  4. Step 4: Simplify right side
    266,841.58x = 59,320,130,648.70
  5. Step 5: Solve for x
    x = 59,320,130,648.70/266,841.58
  6. Step 6: Final answer
    x = 222,304.67

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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.