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Finding the Fourth Proportional to 93,492.38, 140,289.60 and 54,126.38

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Solution

The fourth proportional to 93,492.38, 140,289.60 and 54,126.38 is: 81,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,492.38 : 140,289.60 = 54,126.38 : x
  2. Step 2: Convert to fraction form
    93,492.38/140,289.60 = 54,126.38/x
  3. Step 3: Cross multiply
    93,492.38x = 140,289.60 × 54,126.38
  4. Step 4: Simplify right side
    93,492.38x = 7,593,368,753.35
  5. Step 5: Solve for x
    x = 7,593,368,753.35/93,492.38
  6. Step 6: Final answer
    x = 81,219.12

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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.