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Finding the Fourth Proportional to 70,083.81, 105,156.51 and 36,796.14

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Solution

The fourth proportional to 70,083.81, 105,156.51 and 36,796.14 is: 55,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,083.81 : 105,156.51 = 36,796.14 : x
  2. Step 2: Convert to fraction form
    70,083.81/105,156.51 = 36,796.14/x
  3. Step 3: Cross multiply
    70,083.81x = 105,156.51 × 36,796.14
  4. Step 4: Simplify right side
    70,083.81x = 3,869,353,663.87
  5. Step 5: Solve for x
    x = 3,869,353,663.87/70,083.81
  6. Step 6: Final answer
    x = 55,210.38

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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.