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Finding the Fourth Proportional to 93,233.80, 139,899.30 and 40,648.60

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Solution

The fourth proportional to 93,233.80, 139,899.30 and 40,648.60 is: 60,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,233.80 : 139,899.30 = 40,648.60 : x
  2. Step 2: Convert to fraction form
    93,233.80/139,899.30 = 40,648.60/x
  3. Step 3: Cross multiply
    93,233.80x = 139,899.30 × 40,648.60
  4. Step 4: Simplify right side
    93,233.80x = 5,686,710,685.98
  5. Step 5: Solve for x
    x = 5,686,710,685.98/93,233.80
  6. Step 6: Final answer
    x = 60,994.09

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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.