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Finding the Fourth Proportional to 170,142.69, 234,796.91 and 94,709.01

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Solution

The fourth proportional to 170,142.69, 234,796.91 and 94,709.01 is: 130,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,142.69 : 234,796.91 = 94,709.01 : x
  2. Step 2: Convert to fraction form
    170,142.69/234,796.91 = 94,709.01/x
  3. Step 3: Cross multiply
    170,142.69x = 234,796.91 × 94,709.01
  4. Step 4: Simplify right side
    170,142.69x = 22,237,382,897.16
  5. Step 5: Solve for x
    x = 22,237,382,897.16/170,142.69
  6. Step 6: Final answer
    x = 130,698.43

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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.