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Finding the Fourth Proportional to 255,616.54, 352,709.34 and 148,165.58

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Solution

The fourth proportional to 255,616.54, 352,709.34 and 148,165.58 is: 204,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,616.54 : 352,709.34 = 148,165.58 : x
  2. Step 2: Convert to fraction form
    255,616.54/352,709.34 = 148,165.58/x
  3. Step 3: Cross multiply
    255,616.54x = 352,709.34 × 148,165.58
  4. Step 4: Simplify right side
    255,616.54x = 52,259,384,258.67
  5. Step 5: Solve for x
    x = 52,259,384,258.67/255,616.54
  6. Step 6: Final answer
    x = 204,444.46

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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.