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Finding the Fourth Proportional to 169,615.89, 255,643.01 and 146,205.98

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Solution

The fourth proportional to 169,615.89, 255,643.01 and 146,205.98 is: 220,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,615.89 : 255,643.01 = 146,205.98 : x
  2. Step 2: Convert to fraction form
    169,615.89/255,643.01 = 146,205.98/x
  3. Step 3: Cross multiply
    169,615.89x = 255,643.01 × 146,205.98
  4. Step 4: Simplify right side
    169,615.89x = 37,376,536,076.17
  5. Step 5: Solve for x
    x = 37,376,536,076.17/169,615.89
  6. Step 6: Final answer
    x = 220,359.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.