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Finding the Fourth Proportional to 246,568.56, 369,895.04 and 78,085.72

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Solution

The fourth proportional to 246,568.56, 369,895.04 and 78,085.72 is: 117,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,568.56 : 369,895.04 = 78,085.72 : x
  2. Step 2: Convert to fraction form
    246,568.56/369,895.04 = 78,085.72/x
  3. Step 3: Cross multiply
    246,568.56x = 369,895.04 × 78,085.72
  4. Step 4: Simplify right side
    246,568.56x = 28,883,520,522.83
  5. Step 5: Solve for x
    x = 28,883,520,522.83/246,568.56
  6. Step 6: Final answer
    x = 117,141.94

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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.