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Finding the Fourth Proportional to 93,960.72, 140,921.96 and 34,782.32

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Solution

The fourth proportional to 93,960.72, 140,921.96 and 34,782.32 is: 52,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,960.72 : 140,921.96 = 34,782.32 : x
  2. Step 2: Convert to fraction form
    93,960.72/140,921.96 = 34,782.32/x
  3. Step 3: Cross multiply
    93,960.72x = 140,921.96 × 34,782.32
  4. Step 4: Simplify right side
    93,960.72x = 4,901,592,886.14
  5. Step 5: Solve for x
    x = 4,901,592,886.14/93,960.72
  6. Step 6: Final answer
    x = 52,166.40

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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.