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Finding the Fourth Proportional to 92,892.99, 139,312.13 and 26,338.93

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Solution

The fourth proportional to 92,892.99, 139,312.13 and 26,338.93 is: 39,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892.99 : 139,312.13 = 26,338.93 : x
  2. Step 2: Convert to fraction form
    92,892.99/139,312.13 = 26,338.93/x
  3. Step 3: Cross multiply
    92,892.99x = 139,312.13 × 26,338.93
  4. Step 4: Simplify right side
    92,892.99x = 3,669,332,440.22
  5. Step 5: Solve for x
    x = 3,669,332,440.22/92,892.99
  6. Step 6: Final answer
    x = 39,500.64

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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.