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Finding the Fourth Proportional to 93,020.20, 139,530.30 and 29,840.20

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Solution

The fourth proportional to 93,020.20, 139,530.30 and 29,840.20 is: 44,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,020.20 : 139,530.30 = 29,840.20 : x
  2. Step 2: Convert to fraction form
    93,020.20/139,530.30 = 29,840.20/x
  3. Step 3: Cross multiply
    93,020.20x = 139,530.30 × 29,840.20
  4. Step 4: Simplify right side
    93,020.20x = 4,163,612,058.06
  5. Step 5: Solve for x
    x = 4,163,612,058.06/93,020.20
  6. Step 6: Final answer
    x = 44,760.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.