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Finding the Fourth Proportional to 239,530.35, 359,371.35 and 71,051.34

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Solution

The fourth proportional to 239,530.35, 359,371.35 and 71,051.34 is: 106,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,530.35 : 359,371.35 = 71,051.34 : x
  2. Step 2: Convert to fraction form
    239,530.35/359,371.35 = 71,051.34/x
  3. Step 3: Cross multiply
    239,530.35x = 359,371.35 × 71,051.34
  4. Step 4: Simplify right side
    239,530.35x = 25,533,815,975.11
  5. Step 5: Solve for x
    x = 25,533,815,975.11/239,530.35
  6. Step 6: Final answer
    x = 106,599.50

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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.