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Finding the Fourth Proportional to 93,102.38, 139,675.44 and 30,772.88

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Solution

The fourth proportional to 93,102.38, 139,675.44 and 30,772.88 is: 46,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,102.38 : 139,675.44 = 30,772.88 : x
  2. Step 2: Convert to fraction form
    93,102.38/139,675.44 = 30,772.88/x
  3. Step 3: Cross multiply
    93,102.38x = 139,675.44 × 30,772.88
  4. Step 4: Simplify right side
    93,102.38x = 4,298,215,554.07
  5. Step 5: Solve for x
    x = 4,298,215,554.07/93,102.38
  6. Step 6: Final answer
    x = 46,166.55

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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.