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Finding the Fourth Proportional to 103,585.95, 155,385.49 and 32,511.39

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Solution

The fourth proportional to 103,585.95, 155,385.49 and 32,511.39 is: 48,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,585.95 : 155,385.49 = 32,511.39 : x
  2. Step 2: Convert to fraction form
    103,585.95/155,385.49 = 32,511.39/x
  3. Step 3: Cross multiply
    103,585.95x = 155,385.49 × 32,511.39
  4. Step 4: Simplify right side
    103,585.95x = 5,051,798,265.73
  5. Step 5: Solve for x
    x = 5,051,798,265.73/103,585.95
  6. Step 6: Final answer
    x = 48,769.15

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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.