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Finding the Fourth Proportional to 134,165.68, 185,153.08 and 73,738.46

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Solution

The fourth proportional to 134,165.68, 185,153.08 and 73,738.46 is: 101,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,165.68 : 185,153.08 = 73,738.46 : x
  2. Step 2: Convert to fraction form
    134,165.68/185,153.08 = 73,738.46/x
  3. Step 3: Cross multiply
    134,165.68x = 185,153.08 × 73,738.46
  4. Step 4: Simplify right side
    134,165.68x = 13,652,903,261.99
  5. Step 5: Solve for x
    x = 13,652,903,261.99/134,165.68
  6. Step 6: Final answer
    x = 101,761.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.