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Finding the Fourth Proportional to 93,224.40, 139,836.60 and 40,736.40

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Solution

The fourth proportional to 93,224.40, 139,836.60 and 40,736.40 is: 61,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.40 : 139,836.60 = 40,736.40 : x
  2. Step 2: Convert to fraction form
    93,224.40/139,836.60 = 40,736.40/x
  3. Step 3: Cross multiply
    93,224.40x = 139,836.60 × 40,736.40
  4. Step 4: Simplify right side
    93,224.40x = 5,696,439,672.24
  5. Step 5: Solve for x
    x = 5,696,439,672.24/93,224.40
  6. Step 6: Final answer
    x = 61,104.60

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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.