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Finding the Fourth Proportional to 93,279.70, 139,878.27 and 26,704.66

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Solution

The fourth proportional to 93,279.70, 139,878.27 and 26,704.66 is: 40,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.70 : 139,878.27 = 26,704.66 : x
  2. Step 2: Convert to fraction form
    93,279.70/139,878.27 = 26,704.66/x
  3. Step 3: Cross multiply
    93,279.70x = 139,878.27 × 26,704.66
  4. Step 4: Simplify right side
    93,279.70x = 3,735,401,641.74
  5. Step 5: Solve for x
    x = 3,735,401,641.74/93,279.70
  6. Step 6: Final answer
    x = 40,045.17

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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.