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Finding the Fourth Proportional to 255,181.13, 352,150.16 and 147,756.90

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Solution

The fourth proportional to 255,181.13, 352,150.16 and 147,756.90 is: 203,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,181.13 : 352,150.16 = 147,756.90 : x
  2. Step 2: Convert to fraction form
    255,181.13/352,150.16 = 147,756.90/x
  3. Step 3: Cross multiply
    255,181.13x = 352,150.16 × 147,756.90
  4. Step 4: Simplify right side
    255,181.13x = 52,032,615,237.32
  5. Step 5: Solve for x
    x = 52,032,615,237.32/255,181.13
  6. Step 6: Final answer
    x = 203,904.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.