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Finding the Fourth Proportional to 205,699.44, 308,587.68 and 93,387.52

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Solution

The fourth proportional to 205,699.44, 308,587.68 and 93,387.52 is: 140,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,699.44 : 308,587.68 = 93,387.52 : x
  2. Step 2: Convert to fraction form
    205,699.44/308,587.68 = 93,387.52/x
  3. Step 3: Cross multiply
    205,699.44x = 308,587.68 × 93,387.52
  4. Step 4: Simplify right side
    205,699.44x = 28,818,238,137.75
  5. Step 5: Solve for x
    x = 28,818,238,137.75/205,699.44
  6. Step 6: Final answer
    x = 140,098.77

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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.