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Finding the Fourth Proportional to 255,684.30, 352,766.15 and 148,232.90

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Solution

The fourth proportional to 255,684.30, 352,766.15 and 148,232.90 is: 204,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,684.30 : 352,766.15 = 148,232.90 : x
  2. Step 2: Convert to fraction form
    255,684.30/352,766.15 = 148,232.90/x
  3. Step 3: Cross multiply
    255,684.30x = 352,766.15 × 148,232.90
  4. Step 4: Simplify right side
    255,684.30x = 52,291,546,931.34
  5. Step 5: Solve for x
    x = 52,291,546,931.34/255,684.30
  6. Step 6: Final answer
    x = 204,516.06

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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.