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Finding the Fourth Proportional to 93,290.51, 139,935.67 and 23,169.83

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Solution

The fourth proportional to 93,290.51, 139,935.67 and 23,169.83 is: 34,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,290.51 : 139,935.67 = 23,169.83 : x
  2. Step 2: Convert to fraction form
    93,290.51/139,935.67 = 23,169.83/x
  3. Step 3: Cross multiply
    93,290.51x = 139,935.67 × 23,169.83
  4. Step 4: Simplify right side
    93,290.51x = 3,242,284,927.23
  5. Step 5: Solve for x
    x = 3,242,284,927.23/93,290.51
  6. Step 6: Final answer
    x = 34,754.71

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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.