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Finding the Fourth Proportional to 152,604, 210,594.96 and 85,537.44

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Solution

The fourth proportional to 152,604, 210,594.96 and 85,537.44 is: 118,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,604 : 210,594.96 = 85,537.44 : x
  2. Step 2: Convert to fraction form
    152,604/210,594.96 = 85,537.44/x
  3. Step 3: Cross multiply
    152,604x = 210,594.96 × 85,537.44
  4. Step 4: Simplify right side
    152,604x = 18,013,753,755.30
  5. Step 5: Solve for x
    x = 18,013,753,755.30/152,604
  6. Step 6: Final answer
    x = 118,042.47

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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.