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Finding the Fourth Proportional to 93,580.92, 140,468.58 and 54,214.92

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Solution

The fourth proportional to 93,580.92, 140,468.58 and 54,214.92 is: 81,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,580.92 : 140,468.58 = 54,214.92 : x
  2. Step 2: Convert to fraction form
    93,580.92/140,468.58 = 54,214.92/x
  3. Step 3: Cross multiply
    93,580.92x = 140,468.58 × 54,214.92
  4. Step 4: Simplify right side
    93,580.92x = 7,615,492,827.21
  5. Step 5: Solve for x
    x = 7,615,492,827.21/93,580.92
  6. Step 6: Final answer
    x = 81,378.69

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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.