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Finding the Fourth Proportional to 235,818.80, 353,505.84 and 117,378.17

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Solution

The fourth proportional to 235,818.80, 353,505.84 and 117,378.17 is: 175,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,818.80 : 353,505.84 = 117,378.17 : x
  2. Step 2: Convert to fraction form
    235,818.80/353,505.84 = 117,378.17/x
  3. Step 3: Cross multiply
    235,818.80x = 353,505.84 × 117,378.17
  4. Step 4: Simplify right side
    235,818.80x = 41,493,868,583.51
  5. Step 5: Solve for x
    x = 41,493,868,583.51/235,818.80
  6. Step 6: Final answer
    x = 175,956.58

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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.