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Finding the Fourth Proportional to 165,096.64, 247,644.48 and 59,915.20

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Solution

The fourth proportional to 165,096.64, 247,644.48 and 59,915.20 is: 89,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,096.64 : 247,644.48 = 59,915.20 : x
  2. Step 2: Convert to fraction form
    165,096.64/247,644.48 = 59,915.20/x
  3. Step 3: Cross multiply
    165,096.64x = 247,644.48 × 59,915.20
  4. Step 4: Simplify right side
    165,096.64x = 14,837,668,548.10
  5. Step 5: Solve for x
    x = 14,837,668,548.10/165,096.64
  6. Step 6: Final answer
    x = 89,872.63

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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.