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Finding the Fourth Proportional to 93,292.99, 128,743.01 and 50,851.69

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Solution

The fourth proportional to 93,292.99, 128,743.01 and 50,851.69 is: 70,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,292.99 : 128,743.01 = 50,851.69 : x
  2. Step 2: Convert to fraction form
    93,292.99/128,743.01 = 50,851.69/x
  3. Step 3: Cross multiply
    93,292.99x = 128,743.01 × 50,851.69
  4. Step 4: Simplify right side
    93,292.99x = 6,546,798,990.47
  5. Step 5: Solve for x
    x = 6,546,798,990.47/93,292.99
  6. Step 6: Final answer
    x = 70,174.61

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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.