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Finding the Fourth Proportional to 93,164.48, 128,566.98 and 50,723

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Solution

The fourth proportional to 93,164.48, 128,566.98 and 50,723 is: 69,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,164.48 : 128,566.98 = 50,723 : x
  2. Step 2: Convert to fraction form
    93,164.48/128,566.98 = 50,723/x
  3. Step 3: Cross multiply
    93,164.48x = 128,566.98 × 50,723
  4. Step 4: Simplify right side
    93,164.48x = 6,521,302,926.54
  5. Step 5: Solve for x
    x = 6,521,302,926.54/93,164.48
  6. Step 6: Final answer
    x = 69,997.74

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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.