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Finding the Fourth Proportional to 93,700.80, 140,551.20 and 27,143.10

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Solution

The fourth proportional to 93,700.80, 140,551.20 and 27,143.10 is: 40,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,700.80 : 140,551.20 = 27,143.10 : x
  2. Step 2: Convert to fraction form
    93,700.80/140,551.20 = 27,143.10/x
  3. Step 3: Cross multiply
    93,700.80x = 140,551.20 × 27,143.10
  4. Step 4: Simplify right side
    93,700.80x = 3,814,995,276.72
  5. Step 5: Solve for x
    x = 3,814,995,276.72/93,700.80
  6. Step 6: Final answer
    x = 40,714.65

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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.