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Finding the Fourth Proportional to 188,458.50, 260,180.10 and 124,114.73

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Solution

The fourth proportional to 188,458.50, 260,180.10 and 124,114.73 is: 171,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,458.50 : 260,180.10 = 124,114.73 : x
  2. Step 2: Convert to fraction form
    188,458.50/260,180.10 = 124,114.73/x
  3. Step 3: Cross multiply
    188,458.50x = 260,180.10 × 124,114.73
  4. Step 4: Simplify right side
    188,458.50x = 32,292,183,025.49
  5. Step 5: Solve for x
    x = 32,292,183,025.49/188,458.50
  6. Step 6: Final answer
    x = 171,349.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.