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Finding the Fourth Proportional to 76,555.52, 114,810.96 and 29,797.28

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Solution

The fourth proportional to 76,555.52, 114,810.96 and 29,797.28 is: 44,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,555.52 : 114,810.96 = 29,797.28 : x
  2. Step 2: Convert to fraction form
    76,555.52/114,810.96 = 29,797.28/x
  3. Step 3: Cross multiply
    76,555.52x = 114,810.96 × 29,797.28
  4. Step 4: Simplify right side
    76,555.52x = 3,421,054,322.19
  5. Step 5: Solve for x
    x = 3,421,054,322.19/76,555.52
  6. Step 6: Final answer
    x = 44,687.23

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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.