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Finding the Fourth Proportional to 93,321.42, 139,953.42 and 26,743.70

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Solution

The fourth proportional to 93,321.42, 139,953.42 and 26,743.70 is: 40,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321.42 : 139,953.42 = 26,743.70 : x
  2. Step 2: Convert to fraction form
    93,321.42/139,953.42 = 26,743.70/x
  3. Step 3: Cross multiply
    93,321.42x = 139,953.42 × 26,743.70
  4. Step 4: Simplify right side
    93,321.42x = 3,742,872,278.45
  5. Step 5: Solve for x
    x = 3,742,872,278.45/93,321.42
  6. Step 6: Final answer
    x = 40,107.32

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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.