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Finding the Fourth Proportional to 254,384.96, 351,115.08 and 147,017.60

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Solution

The fourth proportional to 254,384.96, 351,115.08 and 147,017.60 is: 202,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,384.96 : 351,115.08 = 147,017.60 : x
  2. Step 2: Convert to fraction form
    254,384.96/351,115.08 = 147,017.60/x
  3. Step 3: Cross multiply
    254,384.96x = 351,115.08 × 147,017.60
  4. Step 4: Simplify right side
    254,384.96x = 51,620,096,385.41
  5. Step 5: Solve for x
    x = 51,620,096,385.41/254,384.96
  6. Step 6: Final answer
    x = 202,921.18

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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.