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Finding the Fourth Proportional to 93,165.49, 128,564.08 and 50,723.89

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Solution

The fourth proportional to 93,165.49, 128,564.08 and 50,723.89 is: 69,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,165.49 : 128,564.08 = 50,723.89 : x
  2. Step 2: Convert to fraction form
    93,165.49/128,564.08 = 50,723.89/x
  3. Step 3: Cross multiply
    93,165.49x = 128,564.08 × 50,723.89
  4. Step 4: Simplify right side
    93,165.49x = 6,521,270,251.87
  5. Step 5: Solve for x
    x = 6,521,270,251.87/93,165.49
  6. Step 6: Final answer
    x = 69,996.63

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1.5x scale

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.