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Finding the Fourth Proportional to 169,541.94, 254,300.59 and 68,346.72

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Solution

The fourth proportional to 169,541.94, 254,300.59 and 68,346.72 is: 102,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,541.94 : 254,300.59 = 68,346.72 : x
  2. Step 2: Convert to fraction form
    169,541.94/254,300.59 = 68,346.72/x
  3. Step 3: Cross multiply
    169,541.94x = 254,300.59 × 68,346.72
  4. Step 4: Simplify right side
    169,541.94x = 17,380,611,306.00
  5. Step 5: Solve for x
    x = 17,380,611,306.00/169,541.94
  6. Step 6: Final answer
    x = 102,515.11

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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.