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Finding the Fourth Proportional to 93,328.81, 139,949.47 and 34,123.07

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Solution

The fourth proportional to 93,328.81, 139,949.47 and 34,123.07 is: 51,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,328.81 : 139,949.47 = 34,123.07 : x
  2. Step 2: Convert to fraction form
    93,328.81/139,949.47 = 34,123.07/x
  3. Step 3: Cross multiply
    93,328.81x = 139,949.47 × 34,123.07
  4. Step 4: Simplify right side
    93,328.81x = 4,775,505,953.80
  5. Step 5: Solve for x
    x = 4,775,505,953.80/93,328.81
  6. Step 6: Final answer
    x = 51,168.62

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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.