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Finding the Fourth Proportional to 93,255.63, 139,924.79 and 48,871.83

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Solution

The fourth proportional to 93,255.63, 139,924.79 and 48,871.83 is: 73,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,255.63 : 139,924.79 = 48,871.83 : x
  2. Step 2: Convert to fraction form
    93,255.63/139,924.79 = 48,871.83/x
  3. Step 3: Cross multiply
    93,255.63x = 139,924.79 × 48,871.83
  4. Step 4: Simplify right side
    93,255.63x = 6,838,380,549.67
  5. Step 5: Solve for x
    x = 6,838,380,549.67/93,255.63
  6. Step 6: Final answer
    x = 73,329.41

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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.