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Finding the Fourth Proportional to 173,829.70, 260,638.95 and 68,527.30

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Solution

The fourth proportional to 173,829.70, 260,638.95 and 68,527.30 is: 102,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,829.70 : 260,638.95 = 68,527.30 : x
  2. Step 2: Convert to fraction form
    173,829.70/260,638.95 = 68,527.30/x
  3. Step 3: Cross multiply
    173,829.70x = 260,638.95 × 68,527.30
  4. Step 4: Simplify right side
    173,829.70x = 17,860,883,518.34
  5. Step 5: Solve for x
    x = 17,860,883,518.34/173,829.70
  6. Step 6: Final answer
    x = 102,749.32

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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.