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Finding the Fourth Proportional to 93,341.44, 139,983 and 40,736.80

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Solution

The fourth proportional to 93,341.44, 139,983 and 40,736.80 is: 61,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,341.44 : 139,983 = 40,736.80 : x
  2. Step 2: Convert to fraction form
    93,341.44/139,983 = 40,736.80/x
  3. Step 3: Cross multiply
    93,341.44x = 139,983 × 40,736.80
  4. Step 4: Simplify right side
    93,341.44x = 5,702,459,474.40
  5. Step 5: Solve for x
    x = 5,702,459,474.40/93,341.44
  6. Step 6: Final answer
    x = 61,092.47

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1.5x scale

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.