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Finding the Fourth Proportional to 245,006.82, 367,432.43 and 78,755.94

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Solution

The fourth proportional to 245,006.82, 367,432.43 and 78,755.94 is: 118,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,006.82 : 367,432.43 = 78,755.94 : x
  2. Step 2: Convert to fraction form
    245,006.82/367,432.43 = 78,755.94/x
  3. Step 3: Cross multiply
    245,006.82x = 367,432.43 × 78,755.94
  4. Step 4: Simplify right side
    245,006.82x = 28,937,486,411.13
  5. Step 5: Solve for x
    x = 28,937,486,411.13/245,006.82
  6. Step 6: Final answer
    x = 118,108.90

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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.