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Finding the Fourth Proportional to 169,490.44, 254,235.42 and 158,280.52

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Solution

The fourth proportional to 169,490.44, 254,235.42 and 158,280.52 is: 237,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490.44 : 254,235.42 = 158,280.52 : x
  2. Step 2: Convert to fraction form
    169,490.44/254,235.42 = 158,280.52/x
  3. Step 3: Cross multiply
    169,490.44x = 254,235.42 × 158,280.52
  4. Step 4: Simplify right side
    169,490.44x = 40,240,514,480.02
  5. Step 5: Solve for x
    x = 40,240,514,480.02/169,490.44
  6. Step 6: Final answer
    x = 237,420.56

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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.