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Finding the Fourth Proportional to 132,394.60, 182,703.80 and 75,044.76

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Solution

The fourth proportional to 132,394.60, 182,703.80 and 75,044.76 is: 103,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,394.60 : 182,703.80 = 75,044.76 : x
  2. Step 2: Convert to fraction form
    132,394.60/182,703.80 = 75,044.76/x
  3. Step 3: Cross multiply
    132,394.60x = 182,703.80 × 75,044.76
  4. Step 4: Simplify right side
    132,394.60x = 13,710,962,822.09
  5. Step 5: Solve for x
    x = 13,710,962,822.09/132,394.60
  6. Step 6: Final answer
    x = 103,561.34

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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.