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Finding the Fourth Proportional to 173,145.30, 259,717.95 and 48,486.30

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Solution

The fourth proportional to 173,145.30, 259,717.95 and 48,486.30 is: 72,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,145.30 : 259,717.95 = 48,486.30 : x
  2. Step 2: Convert to fraction form
    173,145.30/259,717.95 = 48,486.30/x
  3. Step 3: Cross multiply
    173,145.30x = 259,717.95 × 48,486.30
  4. Step 4: Simplify right side
    173,145.30x = 12,592,762,439.09
  5. Step 5: Solve for x
    x = 12,592,762,439.09/173,145.30
  6. Step 6: Final answer
    x = 72,729.45

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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.