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Finding the Fourth Proportional to 254,385.26, 351,025.65 and 146,989.89

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Solution

The fourth proportional to 254,385.26, 351,025.65 and 146,989.89 is: 202,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,385.26 : 351,025.65 = 146,989.89 : x
  2. Step 2: Convert to fraction form
    254,385.26/351,025.65 = 146,989.89/x
  3. Step 3: Cross multiply
    254,385.26x = 351,025.65 × 146,989.89
  4. Step 4: Simplify right side
    254,385.26x = 51,597,221,680.68
  5. Step 5: Solve for x
    x = 51,597,221,680.68/254,385.26
  6. Step 6: Final answer
    x = 202,831.02

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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.