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Finding the Fourth Proportional to 255,617.54, 352,710.72 and 148,166.58

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Solution

The fourth proportional to 255,617.54, 352,710.72 and 148,166.58 is: 204,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,617.54 : 352,710.72 = 148,166.58 : x
  2. Step 2: Convert to fraction form
    255,617.54/352,710.72 = 148,166.58/x
  3. Step 3: Cross multiply
    255,617.54x = 352,710.72 × 148,166.58
  4. Step 4: Simplify right side
    255,617.54x = 52,259,941,111.74
  5. Step 5: Solve for x
    x = 52,259,941,111.74/255,617.54
  6. Step 6: Final answer
    x = 204,445.83

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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.