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Finding the Fourth Proportional to 93,094.47, 128,469.78 and 50,653.17

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Solution

The fourth proportional to 93,094.47, 128,469.78 and 50,653.17 is: 69,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,094.47 : 128,469.78 = 50,653.17 : x
  2. Step 2: Convert to fraction form
    93,094.47/128,469.78 = 50,653.17/x
  3. Step 3: Cross multiply
    93,094.47x = 128,469.78 × 50,653.17
  4. Step 4: Simplify right side
    93,094.47x = 6,507,401,606.20
  5. Step 5: Solve for x
    x = 6,507,401,606.20/93,094.47
  6. Step 6: Final answer
    x = 69,901.05

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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.