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Finding the Fourth Proportional to 205,337.43, 308,042.60 and 93,013.11

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Solution

The fourth proportional to 205,337.43, 308,042.60 and 93,013.11 is: 139,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,337.43 : 308,042.60 = 93,013.11 : x
  2. Step 2: Convert to fraction form
    205,337.43/308,042.60 = 93,013.11/x
  3. Step 3: Cross multiply
    205,337.43x = 308,042.60 × 93,013.11
  4. Step 4: Simplify right side
    205,337.43x = 28,651,999,773.42
  5. Step 5: Solve for x
    x = 28,651,999,773.42/205,337.43
  6. Step 6: Final answer
    x = 139,536.18

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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.