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Finding the Fourth Proportional to 117,424.80, 175,836.48 and 64,775.76

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Solution

The fourth proportional to 117,424.80, 175,836.48 and 64,775.76 is: 96,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,424.80 : 175,836.48 = 64,775.76 : x
  2. Step 2: Convert to fraction form
    117,424.80/175,836.48 = 64,775.76/x
  3. Step 3: Cross multiply
    117,424.80x = 175,836.48 × 64,775.76
  4. Step 4: Simplify right side
    117,424.80x = 11,389,941,627.72
  5. Step 5: Solve for x
    x = 11,389,941,627.72/117,424.80
  6. Step 6: Final answer
    x = 96,997.75

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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.