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Finding the Fourth Proportional to 266,030.82, 367,130.33 and 145,179.91

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Solution

The fourth proportional to 266,030.82, 367,130.33 and 145,179.91 is: 200,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,030.82 : 367,130.33 = 145,179.91 : x
  2. Step 2: Convert to fraction form
    266,030.82/367,130.33 = 145,179.91/x
  3. Step 3: Cross multiply
    266,030.82x = 367,130.33 × 145,179.91
  4. Step 4: Simplify right side
    266,030.82x = 53,299,948,267.67
  5. Step 5: Solve for x
    x = 53,299,948,267.67/266,030.82
  6. Step 6: Final answer
    x = 200,352.53

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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.