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Finding the Fourth Proportional to 255,482.20, 352,565.52 and 148,114.48

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Solution

The fourth proportional to 255,482.20, 352,565.52 and 148,114.48 is: 204,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,482.20 : 352,565.52 = 148,114.48 : x
  2. Step 2: Convert to fraction form
    255,482.20/352,565.52 = 148,114.48/x
  3. Step 3: Cross multiply
    255,482.20x = 352,565.52 × 148,114.48
  4. Step 4: Simplify right side
    255,482.20x = 52,220,058,660.73
  5. Step 5: Solve for x
    x = 52,220,058,660.73/255,482.20
  6. Step 6: Final answer
    x = 204,398.03

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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.