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Finding the Fourth Proportional to 239,764.37, 359,713.98 and 104,840.29

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Solution

The fourth proportional to 239,764.37, 359,713.98 and 104,840.29 is: 157,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,764.37 : 359,713.98 = 104,840.29 : x
  2. Step 2: Convert to fraction form
    239,764.37/359,713.98 = 104,840.29/x
  3. Step 3: Cross multiply
    239,764.37x = 359,713.98 × 104,840.29
  4. Step 4: Simplify right side
    239,764.37x = 37,712,518,429.90
  5. Step 5: Solve for x
    x = 37,712,518,429.90/239,764.37
  6. Step 6: Final answer
    x = 157,289.92

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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.