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Finding the Fourth Proportional to 93,541.20, 140,311.80 and 93,541.20

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Solution

The fourth proportional to 93,541.20, 140,311.80 and 93,541.20 is: 140,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,541.20 : 140,311.80 = 93,541.20 : x
  2. Step 2: Convert to fraction form
    93,541.20/140,311.80 = 93,541.20/x
  3. Step 3: Cross multiply
    93,541.20x = 140,311.80 × 93,541.20
  4. Step 4: Simplify right side
    93,541.20x = 13,124,934,146.16
  5. Step 5: Solve for x
    x = 13,124,934,146.16/93,541.20
  6. Step 6: Final answer
    x = 140,311.80

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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.