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Finding the Fourth Proportional to 293,046.56, 439,636.14 and 93,378.32

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Solution

The fourth proportional to 293,046.56, 439,636.14 and 93,378.32 is: 140,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,046.56 : 439,636.14 = 93,378.32 : x
  2. Step 2: Convert to fraction form
    293,046.56/439,636.14 = 93,378.32/x
  3. Step 3: Cross multiply
    293,046.56x = 439,636.14 × 93,378.32
  4. Step 4: Simplify right side
    293,046.56x = 41,052,484,164.48
  5. Step 5: Solve for x
    x = 41,052,484,164.48/293,046.56
  6. Step 6: Final answer
    x = 140,088.61

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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.