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Finding the Fourth Proportional to 117,326.40, 175,989.60 and 34,228.80

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Solution

The fourth proportional to 117,326.40, 175,989.60 and 34,228.80 is: 51,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,326.40 : 175,989.60 = 34,228.80 : x
  2. Step 2: Convert to fraction form
    117,326.40/175,989.60 = 34,228.80/x
  3. Step 3: Cross multiply
    117,326.40x = 175,989.60 × 34,228.80
  4. Step 4: Simplify right side
    117,326.40x = 6,023,912,820.48
  5. Step 5: Solve for x
    x = 6,023,912,820.48/117,326.40
  6. Step 6: Final answer
    x = 51,343.20

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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.