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Finding the Fourth Proportional to 68,762.27, 103,123.40 and 26,632.96

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Solution

The fourth proportional to 68,762.27, 103,123.40 and 26,632.96 is: 39,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,762.27 : 103,123.40 = 26,632.96 : x
  2. Step 2: Convert to fraction form
    68,762.27/103,123.40 = 26,632.96/x
  3. Step 3: Cross multiply
    68,762.27x = 103,123.40 × 26,632.96
  4. Step 4: Simplify right side
    68,762.27x = 2,746,480,888.73
  5. Step 5: Solve for x
    x = 2,746,480,888.73/68,762.27
  6. Step 6: Final answer
    x = 39,941.68

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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.