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Finding the Fourth Proportional to 144,558, 199,271.34 and 124,306.38

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Solution

The fourth proportional to 144,558, 199,271.34 and 124,306.38 is: 171,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,558 : 199,271.34 = 124,306.38 : x
  2. Step 2: Convert to fraction form
    144,558/199,271.34 = 124,306.38/x
  3. Step 3: Cross multiply
    144,558x = 199,271.34 × 124,306.38
  4. Step 4: Simplify right side
    144,558x = 24,770,698,913.15
  5. Step 5: Solve for x
    x = 24,770,698,913.15/144,558
  6. Step 6: Final answer
    x = 171,354.74

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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.