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Finding the Fourth Proportional to 245,452.60, 368,179.80 and 74,675.98

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Solution

The fourth proportional to 245,452.60, 368,179.80 and 74,675.98 is: 112,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,452.60 : 368,179.80 = 74,675.98 : x
  2. Step 2: Convert to fraction form
    245,452.60/368,179.80 = 74,675.98/x
  3. Step 3: Cross multiply
    245,452.60x = 368,179.80 × 74,675.98
  4. Step 4: Simplify right side
    245,452.60x = 27,494,187,381.20
  5. Step 5: Solve for x
    x = 27,494,187,381.20/245,452.60
  6. Step 6: Final answer
    x = 112,014.24

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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.