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Finding the Fourth Proportional to 175,578.80, 263,368.20 and 161,063.60

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Solution

The fourth proportional to 175,578.80, 263,368.20 and 161,063.60 is: 241,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,578.80 : 263,368.20 = 161,063.60 : x
  2. Step 2: Convert to fraction form
    175,578.80/263,368.20 = 161,063.60/x
  3. Step 3: Cross multiply
    175,578.80x = 263,368.20 × 161,063.60
  4. Step 4: Simplify right side
    175,578.80x = 42,419,030,417.52
  5. Step 5: Solve for x
    x = 42,419,030,417.52/175,578.80
  6. Step 6: Final answer
    x = 241,595.40

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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.