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Finding the Fourth Proportional to 103,752.58, 155,693.34 and 93,769.38

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Solution

The fourth proportional to 103,752.58, 155,693.34 and 93,769.38 is: 140,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,752.58 : 155,693.34 = 93,769.38 : x
  2. Step 2: Convert to fraction form
    103,752.58/155,693.34 = 93,769.38/x
  3. Step 3: Cross multiply
    103,752.58x = 155,693.34 × 93,769.38
  4. Step 4: Simplify right side
    103,752.58x = 14,599,267,961.93
  5. Step 5: Solve for x
    x = 14,599,267,961.93/103,752.58
  6. Step 6: Final answer
    x = 140,712.34

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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.