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Finding the Fourth Proportional to 293,239.62, 439,895.61 and 103,660.88

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Solution

The fourth proportional to 293,239.62, 439,895.61 and 103,660.88 is: 155,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,239.62 : 439,895.61 = 103,660.88 : x
  2. Step 2: Convert to fraction form
    293,239.62/439,895.61 = 103,660.88/x
  3. Step 3: Cross multiply
    293,239.62x = 439,895.61 × 103,660.88
  4. Step 4: Simplify right side
    293,239.62x = 45,599,963,841.26
  5. Step 5: Solve for x
    x = 45,599,963,841.26/293,239.62
  6. Step 6: Final answer
    x = 155,504.10

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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.