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Finding the Fourth Proportional to 93,674.60, 140,220.30 and 54,114.20

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Solution

The fourth proportional to 93,674.60, 140,220.30 and 54,114.20 is: 81,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,674.60 : 140,220.30 = 54,114.20 : x
  2. Step 2: Convert to fraction form
    93,674.60/140,220.30 = 54,114.20/x
  3. Step 3: Cross multiply
    93,674.60x = 140,220.30 × 54,114.20
  4. Step 4: Simplify right side
    93,674.60x = 7,587,909,358.26
  5. Step 5: Solve for x
    x = 7,587,909,358.26/93,674.60
  6. Step 6: Final answer
    x = 81,002.85

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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.