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Finding the Fourth Proportional to 152,387.80, 228,581.70 and 41,579.80

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Solution

The fourth proportional to 152,387.80, 228,581.70 and 41,579.80 is: 62,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,387.80 : 228,581.70 = 41,579.80 : x
  2. Step 2: Convert to fraction form
    152,387.80/228,581.70 = 41,579.80/x
  3. Step 3: Cross multiply
    152,387.80x = 228,581.70 × 41,579.80
  4. Step 4: Simplify right side
    152,387.80x = 9,504,381,369.66
  5. Step 5: Solve for x
    x = 9,504,381,369.66/152,387.80
  6. Step 6: Final answer
    x = 62,369.70

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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.