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Finding the Fourth Proportional to 70,577.93, 105,876.11 and 37,299.29

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Solution

The fourth proportional to 70,577.93, 105,876.11 and 37,299.29 is: 55,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,577.93 : 105,876.11 = 37,299.29 : x
  2. Step 2: Convert to fraction form
    70,577.93/105,876.11 = 37,299.29/x
  3. Step 3: Cross multiply
    70,577.93x = 105,876.11 × 37,299.29
  4. Step 4: Simplify right side
    70,577.93x = 3,949,103,294.83
  5. Step 5: Solve for x
    x = 3,949,103,294.83/70,577.93
  6. Step 6: Final answer
    x = 55,953.80

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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.