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Finding the Fourth Proportional to 155,138.20, 232,488.60 and 95,797.60

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Solution

The fourth proportional to 155,138.20, 232,488.60 and 95,797.60 is: 143,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,138.20 : 232,488.60 = 95,797.60 : x
  2. Step 2: Convert to fraction form
    155,138.20/232,488.60 = 95,797.60/x
  3. Step 3: Cross multiply
    155,138.20x = 232,488.60 × 95,797.60
  4. Step 4: Simplify right side
    155,138.20x = 22,271,849,907.36
  5. Step 5: Solve for x
    x = 22,271,849,907.36/155,138.20
  6. Step 6: Final answer
    x = 143,561.35

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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.