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Finding the Fourth Proportional to 113,809.94, 170,742.60 and 37,908.29

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Solution

The fourth proportional to 113,809.94, 170,742.60 and 37,908.29 is: 56,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,809.94 : 170,742.60 = 37,908.29 : x
  2. Step 2: Convert to fraction form
    113,809.94/170,742.60 = 37,908.29/x
  3. Step 3: Cross multiply
    113,809.94x = 170,742.60 × 37,908.29
  4. Step 4: Simplify right side
    113,809.94x = 6,472,559,996.15
  5. Step 5: Solve for x
    x = 6,472,559,996.15/113,809.94
  6. Step 6: Final answer
    x = 56,871.66

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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.