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Finding the Fourth Proportional to 182,930.80, 274,474.72 and 70,689.86

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Solution

The fourth proportional to 182,930.80, 274,474.72 and 70,689.86 is: 106,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,930.80 : 274,474.72 = 70,689.86 : x
  2. Step 2: Convert to fraction form
    182,930.80/274,474.72 = 70,689.86/x
  3. Step 3: Cross multiply
    182,930.80x = 274,474.72 × 70,689.86
  4. Step 4: Simplify right side
    182,930.80x = 19,402,579,530.34
  5. Step 5: Solve for x
    x = 19,402,579,530.34/182,930.80
  6. Step 6: Final answer
    x = 106,065.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.