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Finding the Fourth Proportional to 173,127, 238,915.26 and 97,673.88

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Solution

The fourth proportional to 173,127, 238,915.26 and 97,673.88 is: 134,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,127 : 238,915.26 = 97,673.88 : x
  2. Step 2: Convert to fraction form
    173,127/238,915.26 = 97,673.88/x
  3. Step 3: Cross multiply
    173,127x = 238,915.26 × 97,673.88
  4. Step 4: Simplify right side
    173,127x = 23,335,780,435.41
  5. Step 5: Solve for x
    x = 23,335,780,435.41/173,127
  6. Step 6: Final answer
    x = 134,789.95

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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.