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Finding the Fourth Proportional to 254,396.76, 351,026.64 and 146,981.04

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Solution

The fourth proportional to 254,396.76, 351,026.64 and 146,981.04 is: 202,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,396.76 : 351,026.64 = 146,981.04 : x
  2. Step 2: Convert to fraction form
    254,396.76/351,026.64 = 146,981.04/x
  3. Step 3: Cross multiply
    254,396.76x = 351,026.64 × 146,981.04
  4. Step 4: Simplify right side
    254,396.76x = 51,594,260,614.91
  5. Step 5: Solve for x
    x = 51,594,260,614.91/254,396.76
  6. Step 6: Final answer
    x = 202,810.21

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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.