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Finding the Fourth Proportional to 117,772.40, 176,597.80 and 34,655.60

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Solution

The fourth proportional to 117,772.40, 176,597.80 and 34,655.60 is: 51,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,772.40 : 176,597.80 = 34,655.60 : x
  2. Step 2: Convert to fraction form
    117,772.40/176,597.80 = 34,655.60/x
  3. Step 3: Cross multiply
    117,772.40x = 176,597.80 × 34,655.60
  4. Step 4: Simplify right side
    117,772.40x = 6,120,102,717.68
  5. Step 5: Solve for x
    x = 6,120,102,717.68/117,772.40
  6. Step 6: Final answer
    x = 51,965.51

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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.