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Finding the Fourth Proportional to 136,798.34, 205,229.10 and 43,304.10

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Solution

The fourth proportional to 136,798.34, 205,229.10 and 43,304.10 is: 64,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,798.34 : 205,229.10 = 43,304.10 : x
  2. Step 2: Convert to fraction form
    136,798.34/205,229.10 = 43,304.10/x
  3. Step 3: Cross multiply
    136,798.34x = 205,229.10 × 43,304.10
  4. Step 4: Simplify right side
    136,798.34x = 8,887,261,469.31
  5. Step 5: Solve for x
    x = 8,887,261,469.31/136,798.34
  6. Step 6: Final answer
    x = 64,966.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.