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Finding the Fourth Proportional to 358,542.16, 537,687.84 and 105,755.60

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Solution

The fourth proportional to 358,542.16, 537,687.84 and 105,755.60 is: 158,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,542.16 : 537,687.84 = 105,755.60 : x
  2. Step 2: Convert to fraction form
    358,542.16/537,687.84 = 105,755.60/x
  3. Step 3: Cross multiply
    358,542.16x = 537,687.84 × 105,755.60
  4. Step 4: Simplify right side
    358,542.16x = 56,863,500,131.90
  5. Step 5: Solve for x
    x = 56,863,500,131.90/358,542.16
  6. Step 6: Final answer
    x = 158,596.41

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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.