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Finding the Fourth Proportional to 293,422.88, 439,969.08 and 93,696.32

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Solution

The fourth proportional to 293,422.88, 439,969.08 and 93,696.32 is: 140,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,422.88 : 439,969.08 = 93,696.32 : x
  2. Step 2: Convert to fraction form
    293,422.88/439,969.08 = 93,696.32/x
  3. Step 3: Cross multiply
    293,422.88x = 439,969.08 × 93,696.32
  4. Step 4: Simplify right side
    293,422.88x = 41,223,483,709.79
  5. Step 5: Solve for x
    x = 41,223,483,709.79/293,422.88
  6. Step 6: Final answer
    x = 140,491.72

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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.