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Finding the Fourth Proportional to 132,307.65, 182,600.28 and 78,592.95

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Solution

The fourth proportional to 132,307.65, 182,600.28 and 78,592.95 is: 108,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,307.65 : 182,600.28 = 78,592.95 : x
  2. Step 2: Convert to fraction form
    132,307.65/182,600.28 = 78,592.95/x
  3. Step 3: Cross multiply
    132,307.65x = 182,600.28 × 78,592.95
  4. Step 4: Simplify right side
    132,307.65x = 14,351,094,676.03
  5. Step 5: Solve for x
    x = 14,351,094,676.03/132,307.65
  6. Step 6: Final answer
    x = 108,467.61

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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.