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Finding the Fourth Proportional to 76,056.52, 114,055.56 and 26,127.28

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Solution

The fourth proportional to 76,056.52, 114,055.56 and 26,127.28 is: 39,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,056.52 : 114,055.56 = 26,127.28 : x
  2. Step 2: Convert to fraction form
    76,056.52/114,055.56 = 26,127.28/x
  3. Step 3: Cross multiply
    76,056.52x = 114,055.56 × 26,127.28
  4. Step 4: Simplify right side
    76,056.52x = 2,979,961,551.68
  5. Step 5: Solve for x
    x = 2,979,961,551.68/76,056.52
  6. Step 6: Final answer
    x = 39,180.88

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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.