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Finding the Fourth Proportional to 93,162.52, 139,757.78 and 43,247.76

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Solution

The fourth proportional to 93,162.52, 139,757.78 and 43,247.76 is: 64,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,162.52 : 139,757.78 = 43,247.76 : x
  2. Step 2: Convert to fraction form
    93,162.52/139,757.78 = 43,247.76/x
  3. Step 3: Cross multiply
    93,162.52x = 139,757.78 × 43,247.76
  4. Step 4: Simplify right side
    93,162.52x = 6,044,210,927.57
  5. Step 5: Solve for x
    x = 6,044,210,927.57/93,162.52
  6. Step 6: Final answer
    x = 64,878.14

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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.