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Finding the Fourth Proportional to 245,770.32, 368,745.59 and 103,651.36

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Solution

The fourth proportional to 245,770.32, 368,745.59 and 103,651.36 is: 155,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,770.32 : 368,745.59 = 103,651.36 : x
  2. Step 2: Convert to fraction form
    245,770.32/368,745.59 = 103,651.36/x
  3. Step 3: Cross multiply
    245,770.32x = 368,745.59 × 103,651.36
  4. Step 4: Simplify right side
    245,770.32x = 38,220,981,897.50
  5. Step 5: Solve for x
    x = 38,220,981,897.50/245,770.32
  6. Step 6: Final answer
    x = 155,515.04

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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.