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Finding the Fourth Proportional to 239,841.36, 359,699.36 and 71,316.30

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Solution

The fourth proportional to 239,841.36, 359,699.36 and 71,316.30 is: 106,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,841.36 : 359,699.36 = 71,316.30 : x
  2. Step 2: Convert to fraction form
    239,841.36/359,699.36 = 71,316.30/x
  3. Step 3: Cross multiply
    239,841.36x = 359,699.36 × 71,316.30
  4. Step 4: Simplify right side
    239,841.36x = 25,652,427,467.57
  5. Step 5: Solve for x
    x = 25,652,427,467.57/239,841.36
  6. Step 6: Final answer
    x = 106,955.81

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1.5x scale

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.