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Finding the Fourth Proportional to 93,913.20, 140,824.44 and 34,718.40

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Solution

The fourth proportional to 93,913.20, 140,824.44 and 34,718.40 is: 52,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,913.20 : 140,824.44 = 34,718.40 : x
  2. Step 2: Convert to fraction form
    93,913.20/140,824.44 = 34,718.40/x
  3. Step 3: Cross multiply
    93,913.20x = 140,824.44 × 34,718.40
  4. Step 4: Simplify right side
    93,913.20x = 4,889,199,237.70
  5. Step 5: Solve for x
    x = 4,889,199,237.70/93,913.20
  6. Step 6: Final answer
    x = 52,060.83

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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.