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Finding the Fourth Proportional to 93,607.60, 140,411.40 and 92,225.20

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Solution

The fourth proportional to 93,607.60, 140,411.40 and 92,225.20 is: 138,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,607.60 : 140,411.40 = 92,225.20 : x
  2. Step 2: Convert to fraction form
    93,607.60/140,411.40 = 92,225.20/x
  3. Step 3: Cross multiply
    93,607.60x = 140,411.40 × 92,225.20
  4. Step 4: Simplify right side
    93,607.60x = 12,949,469,447.28
  5. Step 5: Solve for x
    x = 12,949,469,447.28/93,607.60
  6. Step 6: Final answer
    x = 138,337.80

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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.