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Finding the Fourth Proportional to 132,326.79, 182,611.71 and 71,897.92

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Solution

The fourth proportional to 132,326.79, 182,611.71 and 71,897.92 is: 99,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326.79 : 182,611.71 = 71,897.92 : x
  2. Step 2: Convert to fraction form
    132,326.79/182,611.71 = 71,897.92/x
  3. Step 3: Cross multiply
    132,326.79x = 182,611.71 × 71,897.92
  4. Step 4: Simplify right side
    132,326.79x = 13,129,402,116.64
  5. Step 5: Solve for x
    x = 13,129,402,116.64/132,326.79
  6. Step 6: Final answer
    x = 99,219.54

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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.