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Finding the Fourth Proportional to 134,773.63, 185,988.13 and 74,343.41

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Solution

The fourth proportional to 134,773.63, 185,988.13 and 74,343.41 is: 102,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,773.63 : 185,988.13 = 74,343.41 : x
  2. Step 2: Convert to fraction form
    134,773.63/185,988.13 = 74,343.41/x
  3. Step 3: Cross multiply
    134,773.63x = 185,988.13 × 74,343.41
  4. Step 4: Simplify right side
    134,773.63x = 13,826,991,803.56
  5. Step 5: Solve for x
    x = 13,826,991,803.56/134,773.63
  6. Step 6: Final answer
    x = 102,594.19

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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.