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Finding the Fourth Proportional to 93,279.79, 139,919.22 and 23,159.10

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Solution

The fourth proportional to 93,279.79, 139,919.22 and 23,159.10 is: 34,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.79 : 139,919.22 = 23,159.10 : x
  2. Step 2: Convert to fraction form
    93,279.79/139,919.22 = 23,159.10/x
  3. Step 3: Cross multiply
    93,279.79x = 139,919.22 × 23,159.10
  4. Step 4: Simplify right side
    93,279.79x = 3,240,403,207.90
  5. Step 5: Solve for x
    x = 3,240,403,207.90/93,279.79
  6. Step 6: Final answer
    x = 34,738.54

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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.