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Finding the Fourth Proportional to 239,838.99, 359,695.80 and 71,313.93

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Solution

The fourth proportional to 239,838.99, 359,695.80 and 71,313.93 is: 106,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,838.99 : 359,695.80 = 71,313.93 : x
  2. Step 2: Convert to fraction form
    239,838.99/359,695.80 = 71,313.93/x
  3. Step 3: Cross multiply
    239,838.99x = 359,695.80 × 71,313.93
  4. Step 4: Simplify right side
    239,838.99x = 25,651,321,102.49
  5. Step 5: Solve for x
    x = 25,651,321,102.49/239,838.99
  6. Step 6: Final answer
    x = 106,952.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.