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Finding the Fourth Proportional to 132,414.63, 182,733.39 and 71,985.39

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Solution

The fourth proportional to 132,414.63, 182,733.39 and 71,985.39 is: 99,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,414.63 : 182,733.39 = 71,985.39 : x
  2. Step 2: Convert to fraction form
    132,414.63/182,733.39 = 71,985.39/x
  3. Step 3: Cross multiply
    132,414.63x = 182,733.39 × 71,985.39
  4. Step 4: Simplify right side
    132,414.63x = 13,154,134,345.17
  5. Step 5: Solve for x
    x = 13,154,134,345.17/132,414.63
  6. Step 6: Final answer
    x = 99,340.49

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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.