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Finding the Fourth Proportional to 93,094.92, 128,473.29 and 50,655.78

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Solution

The fourth proportional to 93,094.92, 128,473.29 and 50,655.78 is: 69,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,094.92 : 128,473.29 = 50,655.78 : x
  2. Step 2: Convert to fraction form
    93,094.92/128,473.29 = 50,655.78/x
  3. Step 3: Cross multiply
    93,094.92x = 128,473.29 × 50,655.78
  4. Step 4: Simplify right side
    93,094.92x = 6,507,914,714.12
  5. Step 5: Solve for x
    x = 6,507,914,714.12/93,094.92
  6. Step 6: Final answer
    x = 69,906.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.