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Finding the Fourth Proportional to 68,440, 94,524.96 and 46,045.12

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Solution

The fourth proportional to 68,440, 94,524.96 and 46,045.12 is: 63,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,440 : 94,524.96 = 46,045.12 : x
  2. Step 2: Convert to fraction form
    68,440/94,524.96 = 46,045.12/x
  3. Step 3: Cross multiply
    68,440x = 94,524.96 × 46,045.12
  4. Step 4: Simplify right side
    68,440x = 4,352,413,126.20
  5. Step 5: Solve for x
    x = 4,352,413,126.20/68,440
  6. Step 6: Final answer
    x = 63,594.58

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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.