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Finding the Fourth Proportional to 255,292.21, 352,350.48 and 147,862.21

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Solution

The fourth proportional to 255,292.21, 352,350.48 and 147,862.21 is: 204,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,292.21 : 352,350.48 = 147,862.21 : x
  2. Step 2: Convert to fraction form
    255,292.21/352,350.48 = 147,862.21/x
  3. Step 3: Cross multiply
    255,292.21x = 352,350.48 × 147,862.21
  4. Step 4: Simplify right side
    255,292.21x = 52,099,318,905.61
  5. Step 5: Solve for x
    x = 52,099,318,905.61/255,292.21
  6. Step 6: Final answer
    x = 204,077.20

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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.