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Finding the Fourth Proportional to 173,122.48, 259,000.48 and 131,123.58

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Solution

The fourth proportional to 173,122.48, 259,000.48 and 131,123.58 is: 196,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,122.48 : 259,000.48 = 131,123.58 : x
  2. Step 2: Convert to fraction form
    173,122.48/259,000.48 = 131,123.58/x
  3. Step 3: Cross multiply
    173,122.48x = 259,000.48 × 131,123.58
  4. Step 4: Simplify right side
    173,122.48x = 33,961,070,159.32
  5. Step 5: Solve for x
    x = 33,961,070,159.32/173,122.48
  6. Step 6: Final answer
    x = 196,167.88

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1.5x scale

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.