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Finding the Fourth Proportional to 174,135.30, 260,765.55 and 114,648.90

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Solution

The fourth proportional to 174,135.30, 260,765.55 and 114,648.90 is: 171,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,135.30 : 260,765.55 = 114,648.90 : x
  2. Step 2: Convert to fraction form
    174,135.30/260,765.55 = 114,648.90/x
  3. Step 3: Cross multiply
    174,135.30x = 260,765.55 × 114,648.90
  4. Step 4: Simplify right side
    174,135.30x = 29,896,483,465.40
  5. Step 5: Solve for x
    x = 29,896,483,465.40/174,135.30
  6. Step 6: Final answer
    x = 171,685.37

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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.