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Finding the Fourth Proportional to 68,235.10, 94,203.51 and 45,612.41

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Solution

The fourth proportional to 68,235.10, 94,203.51 and 45,612.41 is: 62,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,235.10 : 94,203.51 = 45,612.41 : x
  2. Step 2: Convert to fraction form
    68,235.10/94,203.51 = 45,612.41/x
  3. Step 3: Cross multiply
    68,235.10x = 94,203.51 × 45,612.41
  4. Step 4: Simplify right side
    68,235.10x = 4,296,849,121.56
  5. Step 5: Solve for x
    x = 4,296,849,121.56/68,235.10
  6. Step 6: Final answer
    x = 62,971.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.