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Finding the Fourth Proportional to 132,322.44, 182,602.74 and 71,894.01

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Solution

The fourth proportional to 132,322.44, 182,602.74 and 71,894.01 is: 99,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,322.44 : 182,602.74 = 71,894.01 : x
  2. Step 2: Convert to fraction form
    132,322.44/182,602.74 = 71,894.01/x
  3. Step 3: Cross multiply
    132,322.44x = 182,602.74 × 71,894.01
  4. Step 4: Simplify right side
    132,322.44x = 13,128,043,215.59
  5. Step 5: Solve for x
    x = 13,128,043,215.59/132,322.44
  6. Step 6: Final answer
    x = 99,212.52

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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.