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Finding the Fourth Proportional to 93,086.65, 139,651.90 and 26,527.74

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Solution

The fourth proportional to 93,086.65, 139,651.90 and 26,527.74 is: 39,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,086.65 : 139,651.90 = 26,527.74 : x
  2. Step 2: Convert to fraction form
    93,086.65/139,651.90 = 26,527.74/x
  3. Step 3: Cross multiply
    93,086.65x = 139,651.90 × 26,527.74
  4. Step 4: Simplify right side
    93,086.65x = 3,704,648,703.69
  5. Step 5: Solve for x
    x = 3,704,648,703.69/93,086.65
  6. Step 6: Final answer
    x = 39,797.85

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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.