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Finding the Fourth Proportional to 134,655.66, 185,824.76 and 74,227.32

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Solution

The fourth proportional to 134,655.66, 185,824.76 and 74,227.32 is: 102,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,655.66 : 185,824.76 = 74,227.32 : x
  2. Step 2: Convert to fraction form
    134,655.66/185,824.76 = 74,227.32/x
  3. Step 3: Cross multiply
    134,655.66x = 185,824.76 × 74,227.32
  4. Step 4: Simplify right side
    134,655.66x = 13,793,273,924.44
  5. Step 5: Solve for x
    x = 13,793,273,924.44/134,655.66
  6. Step 6: Final answer
    x = 102,433.67

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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.