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Finding the Fourth Proportional to 255,603.60, 352,734.42 and 148,237.32

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Solution

The fourth proportional to 255,603.60, 352,734.42 and 148,237.32 is: 204,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,603.60 : 352,734.42 = 148,237.32 : x
  2. Step 2: Convert to fraction form
    255,603.60/352,734.42 = 148,237.32/x
  3. Step 3: Cross multiply
    255,603.60x = 352,734.42 × 148,237.32
  4. Step 4: Simplify right side
    255,603.60x = 52,288,405,092.55
  5. Step 5: Solve for x
    x = 52,288,405,092.55/255,603.60
  6. Step 6: Final answer
    x = 204,568.34

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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.