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Finding the Fourth Proportional to 70,047.74, 105,102.38 and 36,760.03

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Solution

The fourth proportional to 70,047.74, 105,102.38 and 36,760.03 is: 55,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.74 : 105,102.38 = 36,760.03 : x
  2. Step 2: Convert to fraction form
    70,047.74/105,102.38 = 36,760.03/x
  3. Step 3: Cross multiply
    70,047.74x = 105,102.38 × 36,760.03
  4. Step 4: Simplify right side
    70,047.74x = 3,863,566,641.87
  5. Step 5: Solve for x
    x = 3,863,566,641.87/70,047.74
  6. Step 6: Final answer
    x = 55,156.19

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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.