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Finding the Fourth Proportional to 152,826.80, 229,045.80 and 73,770.80

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Solution

The fourth proportional to 152,826.80, 229,045.80 and 73,770.80 is: 110,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,826.80 : 229,045.80 = 73,770.80 : x
  2. Step 2: Convert to fraction form
    152,826.80/229,045.80 = 73,770.80/x
  3. Step 3: Cross multiply
    152,826.80x = 229,045.80 × 73,770.80
  4. Step 4: Simplify right side
    152,826.80x = 16,896,891,902.64
  5. Step 5: Solve for x
    x = 16,896,891,902.64/152,826.80
  6. Step 6: Final answer
    x = 110,562.36

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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.