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Finding the Fourth Proportional to 361,554.34, 542,156.54 and 124,814.02

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Solution

The fourth proportional to 361,554.34, 542,156.54 and 124,814.02 is: 187,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,554.34 : 542,156.54 = 124,814.02 : x
  2. Step 2: Convert to fraction form
    361,554.34/542,156.54 = 124,814.02/x
  3. Step 3: Cross multiply
    361,554.34x = 542,156.54 × 124,814.02
  4. Step 4: Simplify right side
    361,554.34x = 67,668,737,226.69
  5. Step 5: Solve for x
    x = 67,668,737,226.69/361,554.34
  6. Step 6: Final answer
    x = 187,160.63

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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.