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Finding the Fourth Proportional to 113,300.40, 169,950.60 and 51,092.40

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Solution

The fourth proportional to 113,300.40, 169,950.60 and 51,092.40 is: 76,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,300.40 : 169,950.60 = 51,092.40 : x
  2. Step 2: Convert to fraction form
    113,300.40/169,950.60 = 51,092.40/x
  3. Step 3: Cross multiply
    113,300.40x = 169,950.60 × 51,092.40
  4. Step 4: Simplify right side
    113,300.40x = 8,683,184,035.44
  5. Step 5: Solve for x
    x = 8,683,184,035.44/113,300.40
  6. Step 6: Final answer
    x = 76,638.60

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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.